popular size: 20*22cm,26*28cm. Material:PA+PE,PET+PE. Advantage:reusable,durable,washable,airtight Food fresh keeperFeature:eco-friendly,folding,stocked.Advantage:1.Save money and reduce waste. 2.Keep out of water,odor,mildew,dust,insect. 3.Airtight and watertight. 4.Eco-friendly,reusable,durable,washable. 5.Easy and secure sealing. 6.Great for moving and seasonal storage. 7.Our factory can ...