The product is a 2010 Topps Major League Baseball complete set of 661 cards, factory sealed. This set includes standard-sized trading cards featuring players from the Major League Baseball (MLB), manufactured by Topps in the United States. With cards representing the 2010 season, this collection is perfect for baseball fans looking to complete their trading card sets from that specific year. Each card is in mint condition and comes directly from the manufacturer, making it a desirable item for collectors.