The product is a set of 1991 Topps Baseball trading cards, featuring iconic players like Nolan Ryan, Robin Yount, and Jeff Reardon. These oversized cards are from the 1990 set, making them vintage and collectible. The cards are made of card stock and are original, not reprints. They come in uncut sheets, adding to the rarity and value of the set. This set is a must-have for baseball fans and collectors looking to celebrate the sport's history with some of the most legendary players from the 1990 season.