Practice longer with a ball thats strong enough to keep up with you. The new Rawlings Ultimate Practice baseball is designed to have a game-like feel, but last through hit after hit after hit no matter the field conditions. Engineered for game-like performance, enhanced play-ability, and long-lasting compression 3x more durable than a traditional baseball Molded cover minimizes weight gain due to moisture Manufacturing process creates uniformity of seams, cover, and ball weight Raised seam Rawlings R100 Raised Seam High School Practice Baseball - 1 Dozen.