This 2021-22 Upper Deck Hockey Extended Series pack features 8 cards of National Hockey League (NHL) players from the Pittsburgh Penguins and other teams. It includes a mix of base set, rookie, parallel, and insert cards, some of which are serial numbered. The cards are made of high-quality card stock and are standard size. The pack is manufactured by Upper Deck and is part of the 2021-22 hockey season. It is ideal for collectors and fans of ice hockey who want to add to their trading card collections. The pack is brand new and sealed, ready for opening and discovering the exciting cards inside.