The product is a lot of 12 baseball trading cards from the 2026 Topps Series 1 set, featuring players such as Ryan, Beltre, Cag, Elly, and McLean. These cards are all inserts from the 1991 Topps set, manufactured by Topps in 2026. The cards are from the Major League Baseball (MLB) and are perfect for any baseball card collector looking for unique and valuable additions to their collection.