?Description: If you worry about the rest of the food will be wasted, you will have to worry about the Metal rust. Could very well try to put them in a vacuum. Stay cool. One side is Smooth, with fine grain. Advanced food grade packaging bag, can be high temperature Steam, can be placed in the microwave oven heating, suitable for the vacuum packaging of food, Can also be used for other packaging products. free cut, easy to use Resistance to freezing, can withstand the change of temperature and warm keeping the weather fresh, keeping the smell, safety protection of the green environment, you can cut the mouth of the sealed bag, Clean and reuse Grain bag is a side pressure lines, the other side of the good professional Vacuum bag, suitable for all vacuum chamber at home and abroad, the principle Vacuum automatic vacuum packaging machine. (Not suitable for Gas Nozzle type of machine). Material: PE+PA Color: white Size: 20 × 500CM / 8 × 197 inch28 × 500CM / 11× 197 inch?Notice: When in use, please do not put the sharp diamond items, avoid scratching the plastic wrap?Includes: 2 x Roll Food Storage Bags