The 2025 Panini Phoenix Thunderbirds Inserts are standard-sized football trading cards featuring players like Justin Fields, Tyreek Hill, and Travis Kelce. Manufactured by Panini, these original cards are made of card stock and come from the Thunderbirds insert set. With a focus on the National Football League (NFL), these cards showcase players from various teams like the Kansas City Chiefs, New York Jets, and Seattle Seahawks. The cards are in English and are not autographed or graded, making them a sought-after addition for football card collectors.