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Meet the Hyperwear SandBell: a soft workout sandbag that you can use for a wide variety of strength training, agility, and core workouts. The SandBell has a neoperene construction and can be used as a kettlebell, medicine ball, slam ball, or dumbbell.
These soft, flexible weights are much safer to exercise with. They range from 2 to 50 pounds. The shifting sand inside helps push your body harder.
[where to get it] [official site]
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