The product is a lot of 1987 Topps Mark McGwire #366 Rookie Cards, totaling 14 cards. These cards are direct from a new case and are in near mint plus condition. The cards are standard size, made of card stock, and are original prints by Topps. They feature Mark McGwire in his rookie year with the Oakland Athletics, and are part of the Major League Baseball (MLB) set for the 1987 season. These vintage sports trading cards are a valuable collector's item for fans of baseball memorabilia.