Features:STRONG &HARDENED Glass Nail Files undergo for extra hardening during production. Ensures long term performance and makes it more difficult to break compared to other material files as well as last as long as a metal nail file.DURABLE &Wearable&Portable: A quality, handmade product made from float glass, tempered (toughened) to ensure the glass is strong, wear-resistant & retains the integrity of the filing surface after multiple uses.professional crystal glass nail file with for case ,as gentle as a baby nail file set.The fine particle grinding noodles, purely physical grinding,leaving nails smooth with no jagged edges, reducing nail splitting, chipping & peeling value .The edges are smoothly polished, the rounded corners are humanized, and the corners are treated with soft corners to prevent scratches ,can be used by pregnant women and children.It is easy to clean, just rinse with clean water and let it dry. Specifications:Material: Glass,PlasticColor: Candy Green/Candy Blue/Red Rose/Candy Red/Pink/Purple/Black/Blue/White/REd/Silver/GreenSize: Approx. File 14x1.2x0.3cm/5.51x0.47x0.12infor Case 15x2x1cm/5.91x0.79x0.39in Note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:Glass Nail Files with for Case