The Topps 2013 Football Build Your Legacy factory sealed box contains standard-sized trading cards featuring players from the National Football League (NFL), specifically focusing on Peyton Manning. The autographs are hard-signed and authenticated by Topps, with the cards made of durable card stock material. This set is part of the 2013 Topps collection and is a valuable addition for football fans and collectors looking to add to their memorabilia. Made in the United States, this product is a unique and sought-after item for sports card enthusiasts.