Our wall ball is made from 1.2mm Sythetic Leather with good feature of keep good balance and colorful code. Wall balls can also be added to a variety of exercises simply by holding the ball while performing the exercise in Cross fit training wall ball shots are the primary use for these balls but it can be used for so many more exercises. Dimention: 14IN(35 cm) Available color: Purple,Orange,Red,Black,Gray,Yellow,Green.