Material: These nail files are made of high-quality stainless steel and plastic handles, rust-proof, corrosion-resistant. The handle is smooth and very comfortable to grip, works well for shaping nails , Size: each nail file measures approx. 17.2 x 1.8 cm/ 6.77 x 0.71 inches. 1.Material: These nail files are made of high-quality stainless steel and plastic handles, rust-proof, corrosion-resistant. The handle is smooth and very comfortable to grip, works well for shaping nails2.Size: each nail file measures approx. 17.2 x 1.8 cm/ 6.77 x 0.71 inches.3.Quantity: each package contains 4 pieces manicure files. 4.Feature: The high-quality metal nail files are bendable and both sides have fine metal particles, never wears out or becomes blunt, can be used for a long time.They help remove nail creases, rough edges and debris, and keep nails beautiful and can be rinsed directly with water to keep them clean.5.Application: the emery boards can shape your nails effectively and effortlessly, great for both home and nail salon; They are also helpful to remove the nail gel in your extended or fake nails, can be applied for natural nails, false nails, nail extensions, etc.