... )OEM available3)resealable for freshness4)good quality assurance Material:Outer layer: PET,BOPP,Nylon,MET PET,MATT BOPP,MATT PET,PVDC ... COATED PETIntermediate layer: PET,MET PET,ALInner layer:LLDPE,CPPBy FunctionDe-metallization finishing,Matt or Glossy ... side seal,quad seal,fin/lap seal,fin/lap seal with side gussets,stand up pouch/doypack,K-seal,R-bag ...