Pre-Cut Vacuum Sealing Bags, More Convenience Come with 100 pre-cut vacuum bags, 20cm wide and 30cm long.You can use it directly to vacuum the food you want and save time. Versatile Sous Vide Bag The vacuum bag can be used for food preservation, vacuum packing, important document preservation, medicine moisture preservation, etc. It is suitable for most types of vacuum machines of different brands. We recommend the use of the vacuum machine for a better seal. BPA Free and FDA Approved Our Vacumm bags undergo internationally recognized FDA testing and are made from a non-toxic PE + PC composite material . It is reusable and BAF free. Food Lasts Longer The shelf life of your food will increase considerably when you vacuum seal it. Vacuum sealing foods keeps foods 3-5 times longer than foods stored in plastic containers or bags. The vacuum bag can keep your food from coming into contact with the air, preventing moisture from evaporating, thus blocking out juicy and flavorful food. Better Seal One side of this roll vacuum paper features an embossed dotted pattern with embossed air extraction channels for maximum air extraction. The other side is a glossy transparent design which can let you see the conservation status of the food clearly.