The Caliber Steel trading card featuring Caleb Williams and Bo Jackson from the 2026 season is a standard-sized card made of card stock with a thickness of 20 Pt. It is an original sports trading card licensed by Topps, autographed by Bo Jackson in hard-signed format. The card is in English language and is a part of the National Football League (NFL) league. This collectible item is a valuable addition for football fans and card collectors alike.