Lot of Leather MacGregor and Diamond baseballs. The Diamond DLL-2 Little League Baseball is a high-quality 9-inch ball made of leather with a cork core, weighing 5 ounces. It features a raised seam design and classic white and red color scheme, making it ideal for Little League games. With its durable construction and specific dimensions, this baseball is designed to meet the standards set by Major League Baseball for competitive play. The Diamond brand is well-known for producing reliable sports equipment, making this baseball a great choice for players looking for quality and performance on the field.