ThermoFlex Plus is our most popular heat transfer vinyl and the best in the industry! ThermoFlex Plus is a durable material that is highly flexible. It has a soft hand and strong grip. If applied properly, it will outlast the life of the garment! Compare the ease of weeding and applying ThermoFlex Plus with competitive products and you’ll discover why this product is so well liked. ThermoFlex Plus is available in 71 different colors with a matte finish.