Convenient & Economical: W*L: 28CM x 600CM, 3 rolls. Cut the small roll to any length you need , no more wasted material. Buy foods in bulk & vacuum seal in portion sizes to save money. Heavy Duty & Puncture Resistant: High tenacity material with 4 mil double twill embossing to prevent bone perforation. Special micro-channels increase suction to maximize air removal without freeze burns or dehydration. Extended Freshness: FDA, BPA-free 7-layer material creates an airtight barrier around foods, blocking oxygen and moisture to keep food fresh, nutritious and flavorful. Freshness retention can be extended by more than 7 times. Suitable For All Vacuum Machines: Vacuum storage bags for food match all vacuum sealing machines. Simple operate and easy to use. Wide Application: Suitable for microwave oven, cabinet, refrigerator, dishwashers, etc. Also freezer bags for vacuum sealer can withstand both high and low temperatures, such as freezing (-38°C), washing, boiling (100°C), which is perfect for sous vide cooking. Airverse Vacuum Sealer Rolls 3Pack 28CM x 600CM Commercial Grade Seal a Meal Food Sealer Bags with BPA Free Heavy Duty Great for vac Storage Meal Prep or Sous Vide - DMPCVRE2