The product is a 2021 Panini Mosaic trading card featuring Devin Williams of the Milwaukee Brewers. This card is a 1/1 Nebula Prizm parallel variety that makes it unique. It is a part of the Mosaic insert set and is manufactured by Panini. The card is officially licensed by MLB and is a must-have for baseball card collectors. This rare and collectible card is a valuable addition to any sports memorabilia collection.