This leather medicine ball is one of the toughest medicine balls in the industry. Made with 100% Leather and triple stitched for long lasting toughness. This ball with keep its form and functionality through the toughest workouts. Sold individually. Available in 9 lbs (10. 11 inches diameter), 12 lbs (11. 11.5 inches diameter), 15 lbs (12. 12.5 inches diameter), and 20 lbs (19. 20 inches diameter). Sold as each.