The Topps 1998 Baseball Factory Sealed Sports Trading Card Set is a collectible set featuring baseball trading cards from the year 1998. Manufactured by Topps, this set includes standard-sized cards made of card stock and plastic materials. It includes features such as serial numbers, a base set, rookie cards, and a checklist. This set is an original release and not a vintage reprint, making it a valuable addition to any sports trading card collection.