Description: If you worry about the rest of the food will be wasted, you will have to worry about the metal will rust. Might as well try putting them in a vacuum. Stay refreshing. One side isslick, with fine grain. Advanced food grade packaging bag. Specifications: Material: PA Color: Shown as picture Size Options(W * L): 25 * 500cm / 9.8 * 196.9in, 20 * 500cm / 7.9 * 196.9in, 15 * 500cm / 5.9 * 196.9in, 12 * 500cm / 4.7 * 196.9in Weight: Approx. 103~232g Package Includes: 1 x Food Storage Bag Note: 1. Please allow 1-2cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Features Food sealing bags are resistant to freezing and can withstand large temperature changes. Sealed bags are pressure line on one side and smooth professional vacuum bags on the other side, suitable for most vacuum packaging machines. Sealed bag rolls can be used for vacuum packaging, aseptic packaging. Sealing bags keep fresh for a long time, keep the smell and safe. Vacuum sealer bag rolls can be cut off the bag, washed and reused.