The 1987 Fleer Major League Baseball League Leaders Set includes 6 logo stickers and 44 baseball cards featuring the leaders of various statistical categories from the 1987 MLB season. Manufactured by Fleer in the United States, these original sports trading cards are made of card stock and are in English language. The set is a collectible item that showcases the players who led the Major League in different statistical categories during the specified season, making it a valuable addition to any baseball card collection.