The 2021 Topps Baseball Complete Set Green Box is a new sealed box guaranteed to contain a parallel set of trading cards. This set includes 665 standard-sized baseball trading cards featuring players from the Major League (MLB). Each card is made of card stock and paper materials, with autographs in cut format. The box includes autograph authentication from Topps and is manufactured by Topps in the United States. This set is perfect for baseball fans and collectors looking to add to their collection for the 2021 season.