Upgraded Quality Materials: These nail filers are made of top quality sand paper, EVA and Emery board materials, reusable and washable. The special properties of both resilient and durability will leave you a much better buffing experience, easy and effective to trim and shape nails, or to remove ridges on your nail surface. | 100/180 Grit Double Sided Nail Files: package includes 50 pieces of two sides nail files, where the coarse grit side of 100 is excellent choice for Acrylic Nails and thick nails, and the fine side of 180 grit is good choice for polishing the grease on the nail surface or for natural nails. | Perfect Size of 7 Inches in Length: the size of nail files from AhaTopia are customized for easier buffing without wasting. So it is a great value in longterm, no matter it is for nail buffing needs, DIY nail art at home, or professional salons. | Multi Purpose of Usage: it is definitely a must-have-tool for nail beautify in both salon and home. You may have it for nail shaping, nail polishing, nail grooming, nail styling, nail extension, etc., and for your fingernails, toenails, natural nails, acrylic nails, false nails, face nails, manicure, pedicure, etc., and even for your pet cats/dogs nail trimming and grooming! | What You Get: 50 pieces of double sided 100/180 grit nail files; Great value for home manicures and salons.