... MILK packing plastic bag 3,Material,size,thickness,etc are according to client's requirement4.Side-gusset bags with side-gusset plastic ... include BOPP,PET,PE,PA,laminated film bags,color-printing bags,plastic aluminum packing bags and so on.Our styles are as ... follows:hree-side sealed bags,Mid-bottom sealed bags,back sealed bags and stand-up zipper bags. 3) Material,thickness,size,printing color ...