1Food Grade Composite Material: The food vacuum bag is made of food grade nylon composite material, which is safe, healthy, and can keep your food fresh for 5 times longer than other traditional storage methods. 2Durable: The vacuum sealer bag can be safely frozen, microwave or cooked at higher temperatures. The premium material ensure you can use the bag multiple times. 3Reusable: The food packaging vacuum bag can be recycled and reused. After use, it can be easily cleaned with detergent and warm water, and then stored in a clean and dry place, and then can be reused. 4Easy to Use: Just put your food into a food storage bag, seal the top with the provided clip, and then insert the pump into the air valves until the air in the bag is exhausted. Remember the storage and shelf life, and then properly store in the refrigerator or anywhere else. 5Multi Purpose: The vacuum bag can not only be used to store food (meat, fish, vegetables, fruits, seafood, nuts or other food), but also be used for other valuables, such as cameras and books, to prevent moisture.