Layflat Poly bags on a roll are made in America of 100% virgin Low Density Polyethylene (LDPE) resin that meets FDA / USDA specifications. Smart Tech Bags are engineered to provide over three times the impact and twice the tensile strength of traditional low-density polyethylene bags. Easy dispensing with perforations between bags. Tubular construction with a durable double bottom seal make these the best on the market. This premium bag features superior clarity for showing the quality of your product. Neatly wound on a 3" core with 1" diameter core plug. Can be heat sealed, tied, stapled or taped shut.