The product is a 2026 Panini Donruss NASCAR Autograph Signature Series trading card featuring William Byron, signed by the player himself. This card is part of a set dedicated to the 2026 Panini Donruss Nascar Racing collection and is authenticated by Panini Authentic. Made of card stock and with a standard card size, this autographed card showcases the signatures of William Byron, a rising star in the world of auto racing, specifically in the NASCAR league. This collectible item is an insert in the series and is a valuable addition for fans and collectors alike.