Hyperwear SandBell Neoprene SandBag Weight Unfilled 2-50 lbs

Hyperwear SandBell Neoprene SandBag Weight Unfilled 2-50 lbs

• Unique patented design works grip, wrist and forearms
• Shifting sand provides active resistance for stabilizing core muscles
• Alternative to medicine balls, kettle bells, dumbbells, etc.
• Safer and easier on people and floors than metal weights
• Sold unfilled; simply fill with dry all-purpose sand