The product is a 2015-16 Upper Deck Trilogy trading card featuring rookie premieres of Slater Koekkoek from the Tampa Bay Lightning. This particular card is a Blue Rainbow foil parallel with a limited print run of 399. It is serial numbered and part of the base set, making it a valuable addition to any ice hockey card collection. The card captures the excitement of the young player's debut season in the National Hockey League (NHL) and is a sought-after piece for fans and collectors alike.