DescriptionManufactured with premium plastic material which is waterproof. Normal temperature, freezing, cold storage, all three methods can be used. Environmentally friendly and healthy material, which can directly store foods. No plasticizer added, safe and healthy, can be used to store all kinds of foods. Good airtightness, designed to keep fresh longer, make your food easy to carry.Features-Color: Transparent. -Material: Plastic. -Size: About 19.00X12.00X0.20cm /7.47X4.72X0.08inch. -Operating temperature: -20 to 100. -Shelf life: 3 years. -Manufactured with premium plastic material which is waterproof. -Normal temperature, freezing, cold storage, all three methods can be used. -Environmentally friendly and healthy material, which can directly store foods. -No plasticizer added, safe and healthy, can be used to store all kinds of foods. -Good airtightness, designed to keep fresh longer, make your food easy to carry.