The product is a 2010 Topps Chrome trading card featuring Mardy Gilyard, a rookie player for the St. Louis Rams in the National Football League (NFL). This base set card, labeled with card number C157, is manufactured by Topps and is part of the 2010 Topps Chrome set. The card is a valuable collectible for fans of football trading cards, especially those interested in rookie players and specific teams like the St. Louis Rams.