1. FOOD GRADE MATERIAL: Made of food grade PE, PA material, non toxic and odorless, our vacuum bags can be used with peace of mind. Coupled with a vacuum sealing machine, achieve long term preservation of food. 2. TEAR RESISTANT: This vacuum bag adopts a special process pattern design, which enhances the toughness and wear resistance of the bag, making it less prone to breakage and reusable. 3. LONG TERM PRESERVATION: Vacuum compression bags can extract air from food, reduce the chance of oxygen entering the food, thereby extending the shelf life of the food and maintaining its good taste. 4. EASY TO USE: Placing food in vacuum bags can reduce food volume and save storage space, making it very suitable for use in homes, supermarkets, and commercial venues. 5. 10PCS: There are 10 bags in the package that you can use them to store different things, use at will to bring more convenience!