The Sow Good Glass File features a double-sided, etched surface to gently smooth natural nails. It is long lasting and can be washed or sterilized. The file is shatter-resistant, comes with a protective sheath.
Directions Gently slide the file surface over your nail in one direction, NOT in a back-and-forth, see-saw manner. Repeat until you have the desired shape and smoothness.
Warnings: Keep out of reach of children. See product label for more information.