Sturdy Material: These diamond nail files are made of stainless steel and diamond pieces, they are sturdy and durable for long-term use Set includes: 3-pack of stainless steel nail files, enough for you to use and share with your family or friends; each nail file is about 12.4CM, 15CM, 18CM easy to carry in the bag SAFE DOUBLE-SIDED DESIGN: These steel nail files have rounded tips, double-sided, and a comfortable handle that's hard enough to keep your nails polished, helping to polish and brighten your nails Keeps Nails Beautiful: These salon nail files help remove broken, rough edges, chips and keep nails beautiful, they can be washed directly with water to keep them clean VERSATILE USE: These metal nail files are suitable for filing nails, toenails, acrylic nails and fake nails, also at home, beauty salons and nail salons, suitable for both men and women.