KeepFresh 6" x 3.25 x 13.5" 1.2mil Premium Gusseted Crystal Clear Cello OPP Polypropylene Bags - Box/100 Box of 100 - Crystal clear 1.2 mil "cello" polypropylene bags Made of extreme clarity hard cast sheets of best quality domestic polypropylene This clarity cannot be made into a tube therefore they have a seam up the back Made of 100% virgin, high clarity polypropylene film Meet FDA and USDA specifications for food contact