Vacuum seal, store, open, use, and re-seal your bag back up while keeping the maximum freshness, flavor, and nutritional value in your food using these Vacuum Sealer Zipper Bags. The bags can also be used with most leading brand vacuum sealers. These two-ply, 3.0 mil thick bags are made from FDA listed food safe materials and are BPA Free. The package contains fifty 11" x 16" gallon size bags which can be used for food and also for keeping valuables, emergency supplies, firearms and many other items dry and sealed until ready to use.