1,Black science and technology elastic film is adopted to resist pressure and puncture impact, so as to reach the reusable level. 2,Very innovative buckle design, easy to use, firmly lock food, prevent overflow. Suitable for home life, camping, party, etc. 3,Multiple overlaying, saving space and more convenient. Keep your food fresh for a long time. 4,High-quality material can be reused after cleaning. 5,Suitable for refrigerating cabinets, small refrigerators, and other facilities.