The 2023-24 Upper Deck Series 2 Hockey #449 Erik Karlsson Cale Makar Checklist is a standard-sized sports trading card featuring NHL players Erik Karlsson and Cale Makar. Manufactured by Upper Deck for the 2023-24 season, this card is part of the base set and includes a checklist. It does not feature an autograph or signed by the players. The card showcases both players in their San Jose Sharks and Colorado Avalanche uniforms, making it a must-have for fans and collectors of ice hockey trading cards.