Free cutting, easy to Resistance to freezing, can withstand the temperature change and hot keeping time, keep the smell, safety Green environmental protection, you can cut off the mouth of the sealed bag, clean and reuse Can 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: White Size: 15*500cm Package Contents: 1 Roll X Food Bag Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.