Features1Reduce Pain: Manual massage roller ball can easily massage tense muscle groups with a vertical ball, reducing muscle pain and inflammation. 2Improve Circulation: Mountable massage ball roller can enhance blood flowing and improve body function, which is a great way to improve your health. 360 Degree Rotation: Suction cup massage ball can roll 360 degrees so you can easily place it on the soreness muscle area and slide it in any direction you want. 4Reduce Stiffness: Suction cup massage ball can relieve stiffness and muscle soreness after a long day, which can accelerate recovery from stiff muscles. 5Wall Mount: Massage ball adopted pointed design, also perfect for targeting areas on any other part of the body, can be intalled on wall for convenient use.SpecificationItem Type: Suction Cup Massage Roller Ball Material: ABS, TPR, 304 Stainless SteelSize: Approx. 123 x 105 x 52mm / 4.8 x 4.1 x 2in Purpose: The ball is designed to reduce head, shoulder, neck, upper back, arm and leg soreness. Widely used on your body.Package List1 xMassage Roller Ball 2 x Manual