The product is a set of 1977 Topps trading cards featuring O.J. Simpson, Drew Pearson, MacArthur Lane, and Walter Payton from the Buffalo Bills and Chicago Bears, as categorized as "Rushing Leaders and Receiving Leaders." These standard-sized football trading cards are original, ungraded, and in excellent condition. Manufactured by Topps in the United States, the cards are part of the base set and are written in English. With a vintage feel, these cards are a valuable collectible for fans of the National Football League (NFL) and sports trading card enthusiasts.