The product is a 2021 Bowman Draft - Chrome Draft Pick Autographs Marcelo Mayer #CDA-MM Refractor trading card featuring an autograph from Major League Baseball player Marcelo Mayer of the Boston Red Sox. This limited edition card has a print run of 499 and is part of the Chrome Draft Pick Autographs insert set by Topps. It is a highly sought-after collectible for baseball fans and card collectors, showcasing Mayer as a promising rookie talent in the sport.