1. Universal design: compatible with all vacuum sealing machine "clamps" 2. Economical and customized size: vacuum food sealed storage bag for frozen rolls for food protection 3. Material food category: It is used for storing cooked raw food, cooking, freezing, dishwasher, and boiling microwave oven. With embossed channel to increase vacuum suction for sealing 4. Long term preservation: extend the shelf life of food by 3-6 times to maintain the freshness, nutrition and flavor of food. Eliminate burns and dehydration in the refrigerator, and prevent leakage with airtight and waterproof materials 5. Intensive use and puncture prevention: food grade PA+PE material, 90 µ m front panel and 102 µ m texture or embossed rear panel are used to obtain maximum freshness, and bone protector is equipped to prevent puncture