The product is a complete set of 1990-91 Pro Set NHL Hockey trading cards, featuring 405 cards of players from the National Hockey League (NHL). The set includes cards of notable players such as Mario Lemieux, Wayne Gretzky, Patrick Roy, and Brett Hull. The cards are made of card stock and are in mint condition. The set is an original release and includes cards from teams such as the Pittsburgh Penguins, Montreal Canadiens, and Detroit Red Wings. The set also includes rookie and insert cards.