The product is a single original 1990 Pro Set football and hockey promo card featuring players Barry Sanders from the Detroit Lions and Brett Hull from the St. Louis Blues. These trading cards are from the modern era of sports collectibles and are licensed by the National Football League (NFL) and National Hockey League (NHL). The cards are not autographed and are part of the 1990 Pro Set set, making them a sought-after item for fans of both football and hockey.