... resistance to low ,high temperature performance 5 Layer pa pe vacuum bags Specificationslaminated packaging film -printing and lamination -plastic bag and pouch ... and cap / without spout and cap, die-cut shaped bag with / without spout and cap), three-side-seal bag, back-seal ... bag / center-seal bag, side-gusset bag with spout / zipper, and four-side-seal bag / quad-seal bag ...