The product is a set of 12 factory sealed packs of 1991 Fleer Ultra baseball trading cards. These packs contain cards featuring players from the 1991 baseball season. Manufactured by Fleer, these packs are a perfect addition for collectors looking to add cards from this specific set to their collection. Each pack offers the opportunity to discover various cards, including possibly valuable or rare ones, making it a desirable item for fans of baseball trading cards.