[Natural Pumice Stone] - This stone is a natural and porous stone with a mild abrasive, resulting in a porous material, treat your feet by the safe and natural lava stones and keep your feet smooth! [Renew Your Feet] - The exfoliating power of this natural pumice stone helps remove spots, corns and calluses, as well as do a full-body exfoliation that will make your skin fresh and young. [Easy to Handle and Use] - Ergonomically designed, the volcanic pumice stone fits easily in your hand. The cord loops allow you to hang the stones to dry an important part of maintaining your pumice stones. [How to Remove Calluses] - Soak callused skin in warm water until soft. Then, wet the foot pumice stone in soapy water and gently rub it on the callus in a circular motion. Then, use essential oil or body lotion to care for the feet. [Package] 2 pieces in a package for easy replacement. Note: The data are all measured manually, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.