The product is a 2025 Panini Donruss Signature Series William Kempner baseball trading card featuring the Green Laser parallel variety. This particular card is from the rookie season of Major League Baseball player William Kempner, who plays for the Miami Marlins. As an insert card, it offers collectors a unique and sought-after item within the sports trading card market. With a near mint or better condition, this collectible card is a valuable addition to any baseball card collection.