A stylish resistance training product you don't have to hide in a closet (or trip over). Display this soft toning ball proudly on your desk, coffee table or bookshelf and pick it up for micro workout exercises several times a day. The low-sheen, custom-colored silver finish was tested in a variety of lighting environments to ensure it would glimmer just enough to pass for a silver metal, polished concrete or stone, adding a bit of glam to any room. Soft weights are the preferred choice of physical therapists because they are easier to grip for most people vs. dumbbells and because they continuously strengthen the grip and fingers. The Orb is slightly soft to the touch yet feels sturdy from its fill of natural sand and eco-friendly iron. At 4.5" diameter, the Orb can fit in one hand but also can be held by two. To workout both sides simultaneously, please buy two.Use for arms, shoulders, thighs, lower legs, back and grip.