The product is a set of 1980-81 Topps trading cards featuring basketball players Sidney Moncrief, Paul Silas, and Lonnie Shelton. These rookie cards are part of the base set and showcase the players in their early career years. The cards are from the National Basketball Association (NBA) and were manufactured by Topps. The players are associated with teams such as the San Diego Clippers, Milwaukee Bucks, and Seattle Supersonics, making them a valuable addition to any basketball card collection from that era.