... need of customers for Bopp header bagDifferent suitable laminated product ranges: Three-side Sealed bag,Side Gusset bag,Lip bag as well as Back-sealed ... Sealed bag ). In accordance with our customers' specifications, M-SUN chooses different film materials. Such as OPP,KOP,NY(Nylon,PA ... ),KNY,PET,KPET,CPP,VMCPP,LLDPE,Aluminum,Paper,and KOP etc ...