The Sow Good Sapphire File features a flexible carbon steel surface, coated with aluminum oxide for a consistent, gentle, 280 grit abrasive on both sides. It's great for natural nails, long lasting and 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.