Leak-Proof & Stand-Up Design - Double-lock zipper designed to provide an air-tight seal to ensure they are waterproof and hygienic to ideal for storing food, The stand-up design extends its inner room of food storage bags, you can store more food. Freezer Safe and Food Grade Material- Made of food grade PEVA, the gallon storage bags are PVC-free, lead-free, chloride-free and BPA FREE. The reusable freezer bags can lock out freezer burn while keeping food fresh and full of taste, perfect for freezing meat, seafood, fruits, and vegetables. Multiple Size, Save Space&Healthier- Comes with 5 reusable gallon bags(10.2 x 7.2 x 2.3 inch) + 4 reusable sandwich bags (84 x 5.9 x 23 inch) + 3 reusable snack bags (6 x 4.5 x 1.7 inch), better than other similar packs bags. In addition to storing meats, vegetables, fruit, meal prep, frozen foods, cereal, cookies and babies food, these can also hold office supplies, cosmetics, jewelry make-up, stationery, travel accessories and more. Organized and Easy to Clean- It is easy to clean with the small silicone brush and put the bags on top of a mug or cup to air dry. Then just hand wash them in cold or room temperature water after a meal. Dont recommend putting them in the dishwasher. Reduce Plastic Waste& Convenience- One reusable food storage bag can replace up to 500 disposable plastic bags. It is not harmful to the environment when disposed of or burned, reduce the using plastic bags, not only can protect our earth, but also save our money.