MATERIAL: 100% virgin low density polyethylene.TEMPERATURE RANGE: 32 - 200 FSHELF LIFE: 5 years in room temperature.SPECIFICATIONS: * Meets ASTM D3951ROLL DIAMETER: * Varies between 12-14" * Smaller rolls may be less than 12"MISCELLANEOUS: * Not waterproof. * Cannot be vacuum sealed. * Seamless. * Amide, Amine, & Silicon free. * Grease resistant. * Acid free and archival safe. * Not treated for printing by end-user.