Durable material. Heat tape is made of polyimide film and coated with high temperature resistant silica gel. heat resistant tape is easy to use, great adhesive, no sticky residue after heat pressed substrates and removes .Short term temperature resistance 572 (300) , long term temperature resistance 500 (260)/ 30 mins.A must have for all crafters. Heat tape works perfect for sublimation projects and crafting projects with high heat.Package included 2 brown heat tape for sublimation. The bright color is easier to see when use. Width: 10mm/ 0.39inch; Length: 33m/ 108ft.Colour: BrownMaterial: Polyimide FilmPackage Contents:2 * Heat tape for sublimationOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.