pet food bags 1.High quality raw materials 2.Customized sizes ... : PET/PE,PET/PET/PE,PET/AL/PE,PET/VMPET/PE etc.3. Style: The style can be bottom gusset, side gusset, stand up with press zipper ... different material , size, printing and quantity of the bag.6. With zipper, side or bottom gusset, hangle hole.7. Supply period ...