Natural Black Pumice Stone New Changbai Mountain Mine open 2021 year. Black foot stone signifies high quality because pure volcanic lava is naturally black Our Pumice Stones are an effective tool for rejuvenating and cleansing the skin of the feet, elbows, hands and heels, and for removing calluses and corns, hard, dry, rough and dead skin Foot stones contain trace elements, massage and stimulate blood flow, relieve fatigue, and promote relaxation; with daily use, your skin will become baby smooth and soft like after SPA treatments Perfect Shape and Size - Easy and comfortable to hold in your hand - Natural hang rope that holds its shape well after getting wet Foot pumice stone is the most natural method of softening hard skin and the perfect gift for your loved ones