About This Item 15 Pack You will get 15 professional double sided nail files. The nail file kit is made with premium tape and emery materials, designed with double sides and sandpaper on the surface. It is sturdy and durable, suitable for nail polishing and styling. Double-sided grain These nail files are double-sided, the two sides have different grains. One side is 100 grit, suitable for nail shaping and styling; the other side is 180 grit, ideal for filling artificial nails and natural nails. We also have a 240 grit, ideal for nail care and styling and natural nails. Easy to Use These acrylic nail files can be used to remove acrylic nails, dip powder nails, remove nail cuticles, poly nail gel and gel nail polish. It is perfect for shaping false nails and doing manicures and pedicures. Easy to use and suitable for home or living room. Durable and Washable Our high quality sand bar nail file, emery board is very wear resistant, can be used for a long time. They are washable, you can clean them with water after use.