• Transform your dry and rough feet in minutes with advanced nano technology that removes hard and calloused skin. • The even distribution of exfoliation points and nano-level grinding technology make this file more effective than traditional methods. • It offers a gentle and comfortable alternative to pumice stones and metal files, being kinder to the skin. • Durable and reusable, this file is washable, hygienic, waterproof, and rust-resistant, ideal for daily use and travel. • Regain confidence in your feet, restoring their natural softness after just one use.