... can be three-side sealed, stand up bag with zipper, side gusset, qual-seal etc., ... ziplock bag/foil ziplock pouchWith the excellent printing quality, there is an aluminum layer laminated, ... good barrier to resist moisture, oil, oxygen, light etc. 6.Advantage: plastic aluminum foil zipper ... top, which will make it more convenient for your customers to use.7. Design: The bags can be plain, or printed with ...