Purchase Frozen Microwave Sealing Box | Plastic PP Frozen Food Boxes Manufacturer

PP microwave frozen food TOFU plastic 330g sealing box

TF330

PP microwave frozen food TOFU plastic 330g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 330g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 330g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 380g sealing box

TF380

PP microwave frozen food TOFU plastic 380g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 380g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 380g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 500g sealing box

TF500

PP microwave frozen food TOFU plastic 500g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 500g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 500g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 510g sealing box

TF510

PP microwave frozen food TOFU plastic 510g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 510g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 510g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 520g sealing box

TF520

PP microwave frozen food TOFU plastic 520g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 520g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 520g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 530g sealing box

TF530

PP microwave frozen food TOFU plastic 530g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 530g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 530g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 590g sealing box

TF590

PP microwave frozen food TOFU plastic 590g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 590g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 590g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 620g sealing box

TF620

PP microwave frozen food TOFU plastic 620g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 620g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 620g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 620g-2 sealing box

TF620-2

PP microwave frozen food TOFU plastic 620g-2 sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 620g-2 sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 620g-2 sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 630g sealing box

TF630

PP microwave frozen food TOFU plastic 630g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 630g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 630g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 650g sealing box

TF650

PP microwave frozen food TOFU plastic 650g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 650g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 650g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 680g sealing box

TF680

PP microwave frozen food TOFU plastic 680g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 680g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 680g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 700g sealing box

TF700

PP microwave frozen food TOFU plastic 700g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 700g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 700g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 700g-2 sealing box

TF700-2

PP microwave frozen food TOFU plastic 700g-2 sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 700g-2 sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 700g-2 sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 800g sealing box

TF800

PP microwave frozen food TOFU plastic 800 sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 800g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 800g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 930g sealing box

TF930

PP microwave frozen food TOFU plastic 930g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 930g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 930g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 960g sealing box

TF960

PP microwave frozen food TOFU plastic 960g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 960g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 960g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 1000g sealing box

TF1000

PP microwave frozen food TOFU plastic 1000g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 1000g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 1000g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 2200g sealing box

TF2200

PP microwave frozen food TOFU plastic 2200g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 2200g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 2200g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 2500g sealing box

TF2500

PP microwave frozen food TOFU plastic 2500g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 2500g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 2500g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.

PP microwave frozen food TOFU plastic 3500g sealing box

TF3500

PP microwave frozen food TOFU plastic 3500g sealing box is an environmentally friendly plastic box produced by international PP material. It can be used for (1) room temperature 25 degrees (2) refrigeration 5 - 8 degrees (3) freezing -15 degrees, and heat resistance to 110 degrees. And PP microwave frozen food TOFU plastic 3500g sealing box passed the US FDA inspection standard and Taiwan domestic SGS detection, such as lead, cadmium, heavy metals, etc. PP microwave frozen food TOFU plastic 3500g sealing box can be used for microwave (heating). Because the material is PP, it can also be used for refrigerating (15 degrees) and freezing (-15 degrees). This product has the concept of sealing concept, which prolongs the freshness preservation of food and allows raw materials (food materials) to be used more effectively, thereby reducing costs. At present, it is widely used in the chain of super-commercial microwave plastic boxes, food packaging containers plastic boxes, fresh frozen meat plastic boxes, fish seafood frozen plastic boxes, caterer plastic boxes, vegetable and fruit plastic boxes, biscuit plastic boxes.... All kinds of PP plastic boxes are based on the principle of environmentally friendly plastic boxes, so please feel free to use them.