These balls are all Little League® approved 11" fastpitch tournament-quality softballs. Made with a long-lasting durahide cover. Comes in optic yellow, which helps with visibility and tracking the ball. Stitched with red raised seams for improved grip and greater control of the ball's flight path through the pitching motion. Solid polyurethane core. .47 COR; 375 compression. These softballs are sold by the dozen--get 12 softballs in one order.