The product is a 2025 Topps Heritage Marcelo Mayer Chrome Refractor PSA 10 Gem Mint Red Sox rookie card. This baseball sports trading card features the player Marcelo Mayer from the Boston Red Sox team. The card is part of the 2025 Topps Heritage set and belongs to the Chrome Refractor parallel/variety. It is a valuable collectible for fans and collectors of MLB memorabilia, showcasing a promising young athlete in the sport of baseball.