Black high grinding things convenient, practical, comfortable, compact and easy to carry around. Senior foot black stone is a high quality stone materials made from, color is black. Black high-foot stone specifications, labels, Yiwu, Zhejiang, wholesale market prices negotiable, packing specifications are 300/piece, minimum order quantity is 1 piece. Black high grinding things with massage function, thus speeding up the micro circulation, regulating blood pressure, improve sleep, relieve fatigue and promote the body's metabolism, has therapeutic and preventive effects.