The product is a 2009 Donruss Elite autographed rookie trading card of Clay Matthews, featuring a limited print run of #122 out of 299. The card is manufactured by Panini and belongs to the National Football League (NFL) and National Collegiate Athletic Association (NCAA) leagues. This collectible card is serial numbered and part of the base set, making it a valuable piece for fans of the Green Bay Packers and USC Trojans.