material:al foil laminated film rolls usage :snack ,candy etc color:1-12colors ... :PET,VMPET,OPP,matt OPP,CPP,VMCPP,PE,AL,PA., Kraft paper etc.2,Sealing:3-side seal,quad-seal,back-seal ... ! Our main product :complex color bags, PE bags, vests bags, aluminum foil bags, and all kinds of plastic vacuum bags, volume film ...