Chalk Ball 3 oz. - 100% Pure Magnesium Carbonate Powder Suitable for Weight Lifting, Cross Training, Powerlifting, Gymnastics & Rock Climbing - Strong Grip, Dry Hands, No Slip CHALK BALL - 3oz. (85g) of 100% Pure Magnesium Carbonate (NO fillers, NO fluff, NO extra garbage!) STRONG GRIP - Athletic chalk powder provides a stronger, more reliable grip for your hands AVOID INJURY - Add support to any exercise that strains your grip, avoid unnecessary injury PROVEN RESULTS - Chalk has stood the test of time, used by pro rock climbers and weightlifters alike USAGE - Ideal for Weight Lifting, Powerlifting, Cross Training, Gymnastics, Climbing, Tennis & Gym