The product is a sealed box containing 300 baseball cards from the 1991 Megacards set. These cards feature players from Major League Baseball teams such as the Boston Red Sox, New York Yankees, Detroit Tigers, Atlanta Braves, and Pittsburgh Pirates. Made of card stock, these vintage baseball trading cards are all different and cover various years within the MLB season of 1991. Manufactured by Megacards, Inc in the United States, this collection is a valuable addition for any baseball card collector looking to add to their assortment.