The product is a 2025 Leaf Metal Winter Wonderland 1/1 Pre-Production Proof trading card featuring Kevin Concepcion. This one-of-a-kind card is made of metal and is part of the National Collegiate Athletic Association (NCAA) and National Football League (NFL) leagues. It is a standard-sized card with a 35 Pt. thickness, serial numbered as 1 in the print run, and is in near mint or better condition. This original card, manufactured by Leaf, is a must-have for collectors of sports trading cards.