... , it's Uni-pak ! Description of Heat seal food pouch ItemHeat seal food pouchBag ShapeSide gusset bagMaterialPET/VMPET/PESize140*250+25*2Thickness0 ... ,this kind of bag can also be used to package food,juice powder,tea,etc.Advantages·Tin tie-seal,easy for ... :eric.chen-unipakWeb:www.chinaunipak.com Photo of Heat seal food pouch:Characters of different material structureWays to Measure the Heat ...