The product is a lot of 36 leather baseballs from various brands such as Rawlings and Wilson, with a core material of rubber. These baseballs are suitable for NCAA and Big East games, and do not contain any rubber ones. The high-quality leather material makes them durable and ideal for baseball players looking to practice their skills or participate in official games. With a mix of prominent brands and durable construction, this lot of baseballs offers value and performance for athletes.