Best-selling new generation medicine balls.

• Super durable rubber ball filled with iron sand. Great for all round medicine ball training as they are a dead weight.
• Non slip soft rubber surface makes for safe, comfortable and easy grip.
• Weather proof. Take outdoors and on any surface.
• Design allows for heavier weight options up to 20kg.
• 3-9kg: 22cm (9 inch) diameter is a comfortable size for anyone to hold.
• 3-9kg are identical in size which allows for gradual overload progression without affecting grip and exercise technique.
• 12-30kg: 27cm (11 inch) diameter.
• Due to high volume and intensity of use these balls are not guaranteed for hard slamming in commercial gyms.