Sturdy material: these diamond nail files are made of stainless steel with diamond flakes, strong and durable for long time use .Package include: come with 6 pack stainless steel nail files, enough quantity for you to use and share with families or friends Each nail file is approx. 12.7 x 1 cm/ 5 x 0.39 inch, easy to be put into bag and carry outside when traveling or having business trips .Safe and double-sided design: these steel nail files feature round tips, double sides and comfortable handles, grits on them are fine enough to leave smooth finishes to nails, helping to buff and shine nails .Keep nails beautiful: these salon nail files are helpful to remove sort out breaks, rough edges, chips and make your nails look beautiful, they can be washed directly with water to keep clean .