This product is a lot of 300 baseball cards per team from Major League Baseball (MLB). The cards are standard size, made of card stock, and are original licensed prints. The set includes various features such as short prints, puzzle cards, limited edition cards, rookie cards, and parallel cards. Each team is represented, including the Cleveland Indians, New York Yankees, and Chicago Cubs, among others. The cards are in English and manufactured by various manufacturers, making it a diverse collection for any baseball card collector or fan.