SAFE AND ECO-FRIENDLY MATERIALS: These reusable PEVA zipper bags are reusable, PVC and BPA free, reusable, biodegradable and recyclable. Plus, they're recyclable, which benefits our planet and environment, so use reusable bags whenever possible. Waterproof and well-sealed: This reusable silicone bag is leak-proof and waterproof, and we've improved the safety of silicone bags to better keep food fresh and avoid unpleasant odors. The zipper and waterproof material of the sandwich bag seal well, so you don't have to worry about these perfect storage bags even if you store liquid food. Design at the bottom of the food bag: our food storage bags feature an innovative bottom design that not only fits easily on the table, but also allows for easier and easier placement. So you can store more food and save more space in your refrigerator. Plus, these shopping bags are see-through so you can quickly find the items you need. Easy to use and clean: Our silicone freezer bags that open and close quickly and can be stored in store food or other items easily, hand wash recommended, as zippers may warp in the dishwasher. You can wash the bags by hand in cold water or at room temperature or clean them with a simple dish brush and put them on the glass to dry them.