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 fresh. One side is smooth, with fine grain. Advanced food grade packaging bag. Specifications: Condition: New Material: PA Color: Shown as picture Size Options(W * L):(Approx.) 25 * 500cm / 9.8 * 196.9in 20 * 500cm / 7.9 * 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.