TRX Training 10-Inch DuPont Kevlar Medicine Ball, Fitness Training Gear for At-Home Gym Equipment, Heavy-Duty Slam Ball (16 Pounds) : Amazon.co.uk: Sports & Outdoors
14" Ballistic Medicine Ball - Shop Rage Fitness
Philosophy Gym Wall Ball, 30 LB - Soft Shell Weighted Medicine Ball with Non-Slip Grip - Walmart.com