Risk-free Purchase - We are so confident in the quality of our products, we offer 100% satisfaction in our hassle-free Replacement Guarantee. We award life-time warranty and provide full customer supporting service, so you can purchase our product without hesitation and worry. Free Leather Case - A free custom fitted leather case is included for protection when not in use. Portable Size - Small and lightweight make it convenient to carry, great for outdoor travels and home life. High Quality Steel Materials - Nail file tools are made from Japanese 420j2 stainless steel which is the same as the surgical equipment used,anti-rust,strong and durable. Manicure nail file - Double sided textures to file nails easily and make your nail finer,more closely scored for smooth results.