... .Higher Puncture Resistance&Heat Seal 1 Bottom Vacuum Seal Bag With Cut Handle1.Application:Food such as meat,sausage,seafood,rice ... ,fruit,vegetables,nuts ect. Electronic Parts Chemical products Plastic products2.Structure:Co-extruded 5 layer and 7 layer3.Material ... format as recommended and mainly deal with 5.Certificate:SGS showing our good is complied with the FDA6.Feature:1).Low Oxygen ...