This handheld plastic massager constructed with 5 stainless steel rolling ball to immitate 5 fingers to help relaxation. 360 degree press prongs balls massage pressure points and cozy massage sensitive nerve on your scalp,promote blood circulation, relax head nerve stressed, eliminate tension and fatigue all day. The smooth surface plastic made handle is very comfortable to be grasped. An easy to use therapeutic tool for comfort and stress relief. It¡¯s a best gift for mother& father ,very effeH. 7.48" L x 0.098" W x 3.54" H