The product is a set of 2026 Topps Series 1 Celebrations Mascots inserts featuring various Major League Baseball teams. These sports trading cards are standard-sized and made of card stock, with original designs and language in English. The set includes mascots from teams like the Philadelphia Phillies, Atlanta Braves, and others, providing collectors with a unique and diverse collection for their set. This product is an insert set, adding value and variety to any baseball card collection.