The product is a 2024 Topps UFC Knockout Jumbo Fight Mat Relic Auto Blue /50 card featuring an autograph from Zhang Weili. This sports trading card is a part of the Autographed Jumbo Fight Mat Relic insert set, with the autograph being hard signed by Zhang Weili. The card is serial numbered and authenticated by Topps, making it a valuable collectible for fans of Ultimate Fighting Championship (UFC) and mixed martial arts (MMA). With only 50 copies produced, this rare card is a must-have for any collector looking to add a unique piece to their collection.