RCC Koozie first started as Radio Cap Corporation. They specialized in baseball caps. As the promotional product industry grew, so did RCC Koozie adding more to their line. They added drinkware, koozies, koozie kooler bags, outdoor leisure items, travel accessories accessories and business accessories.The Koozie was first introduced in 1982 by Radio Cap Corporation, best known for beer koozies and drink coozies. The name changed to RCC Koozie and so did the first stiff Styrofoam can holder. Now Koozies have evolved made from polyurethane to fit the beverage better to a variety of materials for insulation. View RCC Koozie line.