The Vintage Old Mark Diamond D1 Professional League Baseball is a high-quality baseball suitable for match play. Made from leather with a hand-stitched design, this 3-inch ball features a raised seam and weighs 5 oz. Branded by Diamond and associated with USA Baseball (USAB), this baseball is perfect for NCAA teams looking for a reliable and authentic option for their games. Its classic white color and durable construction make it a timeless choice for baseball enthusiasts.