The product is a 2018 Topps S1 HOBBY SILVER pack of sports trading cards from the Major League Baseball (MLB) set. Manufactured by Topps in 2018, this pack contains 4 cards featuring baseball players like Mike Trout and Rafael Devers. Collectors have the chance to find special Chrome Refractor autograph cards of these players within the pack. This pack is perfect for baseball fans looking to add to their sports trading card collection from the 2018 season.