Natural lava stone for removing calluses. Proven for thousands of years: this natural lava stone is the natural way to remove calluses from hands and feet. The pumice stone should not be used dry, but with a small amount of water. Pumice is a natural product made of volcanic lava. Since it hardly wears down, a pumice stone will last for many years. Comes with a cotton strap. Size: 2 – 2½ inches
MATERIALS: volcanic lava, cotton
BRAND: Made by Bürstenhaus Redecker, a German company that has been handcrafting brushes since 1935.
END OF LIFE: Naturally biodegrades