Freezer safe & food-grade material: Made of food-grade PEVA, the gallon storage bags are 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. Leakproof & reusable: Upgraded ziplock closures provide an airtight leakproof seals in freshness. With the upgraded wide side and non-slip zipper design, make it easier to open and close the bag. 1-gallon ziplock bags are durable and lightweight and can save up to 350 + disposable bags, which not only will change the way you store, cook, and even eat but also can save your money and save the planet.