1. Specially made for foot care, to create tender and delicate feet. 2. Nano black technology, easy to achieve the effect of exfoliating dead skin, so that the feet get better care. 3. Comfortable and compact shape, excellent application feel, easy to use, gentle exfoliation, just like a massage. 4. Stainless steel material, durable, excellent waterproof, dry and wet dual use, support clean water.