The product is a 2021 Panini Mosaic trading card featuring Clayton Kershaw of the Los Angeles Dodgers. This specific card is a Reactive Red Mosaic Prizm parallel variety, part of the base set for the 2021 Panini Mosaic collection. As a highly collectible item in the sports trading card market, this card is a must-have for fans of MLB baseball and collectors of Kershaw memorabilia. The unique design and limited availability of the Reactive Red Mosaic Prizm variation make this card a valuable addition to any trading card collection.