Durable material. Heat tape is made of polyimide film and coated with high temperature resistant silica gel.Our heat resistant tape is easy to use, great adhesive, no sticky residue after heat pressed substrates and removes easily.Short term temperature resistance 572 (300) , long term temperature resistance 500 (260)/ 30 mins.A must have for all crafters. Heat transfer tape works perfect for sublimation projects and crafting projects with high heat.Package included 2 rolls brown heat tape for sublimation. The bright color contrast 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.