Free cutting, easy to useResistance to freezing, can withstand the temperature change and hotFresh keeping time, keep the smell, safetyGreen environmental protection, you can cut off the mouth of the sealed bag, clean and reuseCan be used for vacuum packaging, aseptic packaging, Grain bag is a side pressure lines, the other side of the smooth professional vacuum bag, suitable for all vacuum chamber at home and abroad, the principle of automatic vacuum vacuum packaging machine. Material: plastic Color: WhiteSize: 15*500cmPackage Contents:1 Roll X Food Storage BagNote: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.