The product is a Mark McGwire 1985 Topps original Olympic trading card with a premium card holder. This card features the baseball player as part of the base set, specifically as a rookie card. It is a sought-after collectible for fans of Mark McGwire and baseball trading cards, particularly those interested in vintage and original cards from the 1985 season. The card is a single from the Topps manufacturer, known for producing high-quality and iconic sports trading cards. The premium card holder adds to the value and preservation of this unique and limited edition card.