Flex-O-Glass 20 inch wide 10 mil sheet thickness x 450 feet long rolls Sur-Flex Surlyn Skin Film Use for 18 inch wide machinery using 18 inch wide x 24 inch long skin sheets 36.8 pounds per roll Shipping weight 41 pounds SUR-FLEX ® IONOMER Flex-O-Glass, Inc. was the first commercial extruder of Surlyn® and our Sur-Flex® is the benchmark by which all other skin films are judged. Provides high gloss, strength, fast cycle, no board curl and puncture resistance. NON-WET LOOK FILM SUR-FLEX ® Eliminates air entrapment, provides a high gloss package.