1 brand new roll of Specialty Materials Thermoflex Plus which is 12 in. by 15 feet. Our most popular heat transfer film. Compare the ease of weeding and applying ThermoFlex Plus with competitive products and discover why so many professionals ask for it by name. ThermoFlex Plus is a durable polyurethane based material that is highly flexible. It has a soft hand and strong grip and if applied properly will outlast the life of the garment. Most colors of ThermoFlex Plus may be applied in layers for multi-colored designs, with the exception of the Neon colors, Antique Silver, Old Gold, Metal Flake colors and Columbia Blue. These colors cannot have layers adhered on top of them, although we have successfully layered these products on top of other colors. ThermoFlex PLUS will NOT adhere to nylon, dazzle cloth, shiny polyester or moisture-wicking materials.