GPA Specialty Printable Substrates, based in Chicago, is a provider of specialty printable substrates in North America. The company offers various products, such as pressure sensitive paper, films, digital substrates, die-cut labels, gummed paper, pin-fed labels, thermal labels, and laser, ink-jet and copier labels. The company offers sheet-fed pressure sensitive papers in a variety of coated and uncoated facestocks. It carries a variety of colors, adhesives and liners to accommodate label applications and substrate requirements and offers the Ultra Bak and Ultra Bak Plus lines of premium pressure sensitive paper to clients. GPA Specialty Printable Substrates offers a range of printable film products, including vinyl, polyesters, synthetic paper, styrene, foils and acetates for a range of indoor and outdoor applications. The company also offers a selection of labels for desktop and high-speed laser printers and ink-jet printers and copiers.