PEVA Food Grade Material - Reusable bag made of food grade PEVA material. BPA Free, Chloride Free and Lead Free. Environmentally friendly and recyclable materials will not cause damage to the earth and the environment during disposal and burning. Multiple Uses - These reusable storage bags are ideal for cured meats, meals, frozen foods, and are also ideal s for sandwiches, snacks, lunches, vegetables, fruits, and baby food. TSA inspection is transparent and can be used for TSA inspection. It is an ideal saving tool for travel toiletries, soaps, creams and other items. Leak-Proof & Portable Sealed Zipper Bag - The reusable sandwich zipper bag adopts upgraded pull chain sealing technology to make the sealing performance higher and easier to open or close. Make sure that there is no air leak seal. A lunch bag ideal for storing and preserving food. Safe Refrigerated & Easy to Clean - The presence of freezer bags can isolate the spread of food odor while keeping food fresh and delicious. We recommend using hand-washing because washing in a dishwasher can easily damage the zipper on the food storage bag. A small cleaning brush is included in the package. Let's make cleaning easier. Durable & Environmentally Friendly - These food storage bags have been thickened and can be reused hundreds of times. And a reusable bag can save up to more than 350 disposable bags. The use of reusable zipper sealed bags can not only reduce food waste, but also reduce the pollution of plastic bags to the earth