Natural Pumice Stone: The use of pumice stones to remove calluses on the feet originated in ancient Greece. It's the healthiest and most natural way to care for your feet. It can not only give you the exfoliation, but also relieve fatigue, promote blood circulation and improve sleep. Easy to Use ＆ Handle: The ergonomic design makes the pumice stone easy to use and hold in your hand. Rope rings allow your stones to be hung to dry, which is an important part of maintaining pumice stones.