The product is a 2025 Topps Cosmic Chrome trading card featuring Marcelo Mayer, a rookie player for the Boston Red Sox in Major League Baseball. The card is part of the Cosmic Chrome set by Topps, known for its shiny chrome finish. The card is a PSA 9 rated, indicating a high level of quality and collectibility, making it a valuable addition for fans and collectors alike. With its unique design and rising star player, this card is sure to be sought after by baseball card enthusiasts.