Polyolefin, Shrink Wrap Film, Thickness 60 ga, Roll Width 16 in, Roll Length 4,375 ft, Clear, Maximum Machine Direction Shrink 65 Percent, Maximum Transverse Direction Shrink 65 Percent, Shrink Temperature 240 Degrees to 340 Degrees F, Film Style Centerfold, Compatible Grainger Part Number Heat Guns Or Shrink Tunnels, Core Diameter 3 in, Shrink Direction Crosslinked, Roll Dia. 16 in