Product Material: volcanic stone Color: black, maroon, white Large size: 10 x 7 x 4 cm Small size: 8.5 x 2.5 x 3 cm Quantity: 2 pieces Package content: 2 * double-sided rub stone 1.Strong against callus - Pumice stone removes hard skin, calluses and calluses for long-lasting soft and supple skin - your own foot spa at home Must have every foot care set. 2.Healthy - Natural product made from volcanic lava, ideal for foot care and foot exfoliation. A good alternative to artificial and electric callus remover, pumice stones, callus remover, Pumice stones. 3.Easy to use - Pumice stones for foot care have oval, handy shape, approx. 10 x 7 x 4 cm /8.5 x 2.5 x 3 cm (size of a computer mouse), guarantees good and comfortable grip. 4.Nice Design- Ergonomic design makes it easy to handle and use, the volcanic pumice stone fits easily in your hand. The loops of cord allow you to hang the stones to dry; an important part of caring for your pumice stones. 5.Usage- To use, soak callused skin in warm water until it feels soft. Then wet the foot pumice stone in soapy water and rub it gently over the callus in a circular motion.