Food Grade Material Made of food grade PEVA material and passed certified test to ensures the reusable food storage bags are BPA free, PVC, Chloride and Lead FREE, so that you can store food and personal items safely and worry-free. Leakproof & Sealing Our reusable food storage bags adopt new design double-lock zipper technology, provide an airtight, leakproof, and sealing effect, perfect for storing and preserving food. The upgraded wide side and non-slip zipper design, you can open and close the gallon storage bags easily. Durable & ECO-friendly Extra thicken clear body with tear resistant zipper and reinforced edge construction makes it more durable. One reusable bag can save more than 300+ disposable plastic baggies. Spent less to save big and help protecting our mother earth. Your little behavior may save a fish or a turtle. Easy to Clean & Dry Hand wash gallon freezer bags in cold or room temperature water. And put the reusable gallon bags on the top of a mug or cup to air dry. Don’t use hot water as it can damage the gallon storage bags. They're freezer safe and not microwave or dishwasher friendly. Freezer Safe &100% Satisfaction Used the reusable freezer bags to prevent freezer burn,to keep the food out of the freezer without freezer burn also keep your food fresh and the orignial taste. A little change in your behavior might save a life.If you are not satisfied with your reusable food storage bags, please feel free to contact us at any time for a satisfied solution.