?Customer Service?If you have any problems with our nail file set , please feel free to contact us.We provide replacement or refund service and we will do our best to help you solve the problem. ?Durable and Washable?Our nail file made of high quality sand bar,the emery board is very wear resistant,can be used for a long time.They are washable,you can clean them with water after using. ?Easy to Use?These acrylic nail file can be used to remove acrylic nails,dip powder nails,remove nail cuticles, poly nail gel and gel nail polish. It's perfect for shape fake nails and to do manicure & pedicure.Easy to use and suitable for home or salon use. ?Double-sided Grit?These nail files are double-sided, the two sides have different grits. 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 has 240 grit, ideal for nail grooming and styling and natural nails. ?15 Pack Set?You will get 15 pcs of professional square double-sided grit nail files .The Nail file kit is made with top quality adhesive tape and emery board materials, designed with double sides and sandpaper on surface.It's sturd and durable, it's suitable for nail polishing and styling.