This reusable freezer bag is made from food-grade PEVA material. With excellent sealing and ironing technology, the sealing edge is more uniform, not easy to leak, safe and durable, free of BPA, chloride, lead and PVC, so you can use with peace of mind, we recommend hand washing, because dishwashers can damage the zipper of food storage bags. Clean with a bottle brush, then place the bag in a cup or cup top to air dry. Reusable food bags with double seal design, waterproof, leak-proof, airtight and well sealed. They are 100% leak-proof, so you can safely hold liquids or sauces, and the sealing function of reusable food bags keeps food fresh for longer. Everyone can easily open and close the bag. It can store large amounts of meat, vegetables, fruits, sauces, sandwiches, snacks and pet food, and even a whole fish in a 2 gallon bag. Whether it's family storage or camping, this is the best choice