Bala Bangles add a constant but comfortable resistance to your workout. Wildly versatile, they can be worn on wrists or ankles for athletic, recreational and domestic activities alike. The world just became your gym. Features: Made of the highest quality fitness materials - steel wrapped in baby-soft silicone Athletic elastic and hook and loop fasteners allow for a perfect fit every time Additive to yoga, aerobics, boxing, pilates, walking, home workouts, core training and rehabilitation