Smooth and shape your nails with this full-sized file by Tenoverten. Double-sided nail file made with a foam bamboo center. From its ultra-chic roots as a nail salon in Tribeca, the tenoverten line enhances nail health with vegan, cruelty-free colors and strengtheners that provide natural alternatives to traditional treatments. Each polish - named for a street in Manhattan - embodies the edge and essence of the neighborhood that inspires it.