... 8 colors per side 3.OEM Service Top zipper bag Made of virgin material,eco-friendlyZipper top,reclosable suit for open and closed ... process:Cylinder mould making, printing,lamination,separating and cutting,bag making,examingFeature:1.Reclosable with zipper,easy to take and ... oxygen,moisture,light and puncture5.Stand on sealed bottom edge,Colorful and vivid printing,flexo printing up to 8 colors6.Non ...