Adlam Doculam Hot Laminating Film 9-inch x 500-feet x 1-inch core (1 Roll) 1.5 Mil Gloss Reported to Run Flatter Than Most Other Brands Quality PET (polyester) with Standard Heat Activated Adhesive (Clear When Heat is applied) High Clarity Gloss Finish Brightens and Makes Colors Pop and Shine Quality School Film Made in the USA Economically priced and Best Suited for Basic Lamination