The product is a 3-card lot of 2021-22 Upper Deck Series 1 trading cards featuring Mackenzie Blackwood, a player for the New Jersey Devils in the National Hockey League (NHL). The cards are standard-sized, made of card stock, and are original prints from the manufacturer Upper Deck. Each card in the set is part of the base set and showcases Blackwood in his NHL uniform for the 2021-22 season. These cards are a must-have for collectors and fans of ice hockey memorabilia.