Features: Superior PVC as raw material, lightweight and convenient to carry and use. Thickened extension foam non-slip handle, comfortable grip, not afraid of sweat. Do not hurt clothing, will not produce static electricity, force evenly. Specially designed piercing balls and raised particles on the balls allow precise massage of any part of the body. Relax muscles, accelerate metabolism, is conducive to physical and mental health. Bring you deep massage of the muscle, adjust the discomfort of the body after exercise, and eliminate the muscle fatigue.