The product is a 2021-22 Topps Chrome UEFA Champions League Silver Mini-Diamond Refractor trading card featuring Felix Mambimbi, a rookie player from BSC Young Boys. Manufactured by Topps, this serial-numbered card is part of the Chrome set, making it a sought-after collectible for football fans. Limited to only 275 copies, this rare card adds value to any sports memorabilia collection and is a must-have for fans of Mambimbi and BSC Young Boys.