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Professional Grade Stability Ball in Black, Rated up to 2,000 lbs.
Designed to improve your core strength, balance and overall agility, Black Mountain Products stability exercise balls feature dense walls for ultimate support and durability. Weight-rated up to 2,000 lbs. and available in 5 sizes for the perfect fit based on your height.
Forget everything you think you knew about ab workout.
This ab workout is specifically designed to strengthen your core.
Numerous health benefits: strengthens your back, better performance at sports, more enjoyable sex.