These quality CHAMPRO softballs are all NFHS approved 12" fast pitch game balls made with a long-lasting durahide cover. They come in optic yellow, which helps with visibility and tracking the ball, and are stitched with red raised seams for improved grip and greater control of the ball's flight path through the pitching motion. They have a solid polyurethane core, a .47 COR, and a 375 compression rating. These softballs are sold by the dozen get 12 softballs in one order.