If you are looking for a professional and airtight fridge storage container, then your research is over here. That's because our product can meet your need. Adopted of , it is practical and for long time use. It is not easy to get deformed and bring you much convenience. Features -Material: PET Temperature range: box body -20 degree centigrade~60 degree centigrade; box cover -20 degree centigrade~40 degree centigrade - Resistant to -20° temperature freezing without breaking the storage refrigerator freezer without breaking, solid and , worry-free use. - Excellent gas barrier, water, oil and odor performance, no odor after cleaning. - Note: this product is only suitable for refrigerator preservation, not suitable for microwave heating. - Separate grids storage, easy to store and preserve different food without messing up the flavor. - workmanship, reasonable structure, professional and practical, can bring you convenience. Package list: 1 x insulated food container