RTape Corp. has introduced SEF Tatoo heat transfer flex film, a white, printable, multi-layer polyurethane construction on a polyester line or carrier. Tatoo films are suitable for application to cotton and white polyester fabrics and cotton/poly blends that are at least 40% cotton, according to the company. Tatoo films are printable using a range of digital printers, including solvent, ecosolvent and latex systems.