The product is a 2021 Bowman Chrome Draft baseball trading card featuring the autograph of Marcelo Mayer from the Boston Red Sox. This card is a rare Aqua Lava Refractor parallel with a limited print run of 199. The autograph has been professionally graded by PSA as a perfect 10, making it a highly sought-after collectible for fans and collectors alike. The card is part of the Chrome Draft Pick Autographs insert set from Topps and is a valuable addition to any sports trading card collection.