Fits in the palm of your hand! Pumice stone uses vary! Use as a pedicure exfoliate to aid in removing dry, rough skin. Natural stone sloughs away dead skin cells on heels, knees and elbows while the nail brush works better than soap and water alone for cleaning under finger nails; where bacteria, dirt and other contaminants can become trapped. The pumice stone is also ideal for cleaning calcium ring in toilets. Strong without scratching the porcelain. Buy 2! One for you and one for cleaning.