ZEVA’s professional nail buffing files will easily and gently remove stains and ridges from the nail surface, stimulate circulation – promoting rapid nail growth, and buff the nail surface to a beautiful, high gloss shine – all without polish. The #1 ZEVA Cleaning File gently removes ridges and stains on the nail surface. The #2 ZEVA Conditioning File stimulates circulation and gets the nail surface smooth. The #3 ZEVA Finishing File buffs the nail to a high gloss shine – as smooth as glass. Washable and sanitizable. Lasts for years. Made in the USA. Enjoy.