The product is a 2025-26 UD Black Diamond William Eklund trading card featuring the Sharks player in the National Hockey League (NHL). Produced by Upper Deck, this serial numbered card is part of the base set and belongs to the Diamond parallel variety, making it a desirable addition for collectors of sports trading cards. With a limited edition of 229 out of 349, this card captures a specific moment in the 2025-26 season, adding value and excitement to any hockey card collection.