The product is a 1986 Topps baseball card box bottom featuring cards numbered C-1 to 4 with players George Brett, Dale Murphy, and Ozzie Guillen. Manufactured by Topps as part of the Major League Baseball set, this sports trading card insert is a collectible item for fans of baseball and card enthusiasts. This box bottom serves as a unique piece of memorabilia from a specific era of baseball cards, showcasing iconic players from the 1980s.