roll film: 1)Material: BOPP/CPP, PET, PVC, BOPP, PET/VMCPP/PE, ... 2)2 or 3 layers, printed up to 10 color Roll film:1) Material: BOPP/CPP, PET, PVC, BOPP, PET/VMCPP/PE ... side sealed,side gusset or bottom gusset,spout,shrink label,auto packing roll film We have produced many pet food bags for various ...