... clear window in one side;PET/PE and NY/PE are for transparant bags.3. Style: stand up with zipper bag, three side ... Ltd.:We are a professional manufacture specializing in the plastic bags, established in 1998.10, located in Qingdao China, always aims to supply ... , zipped, heat-sealed, heat-cut, cold-cut, blown, sealed-in the-middle, three-side-sealed, with handle or hanger hole Certificates available ...