Features: Well-polished: The nano glass nail file is made of nano-glass material, have rough grit that can smooth out the concave and convex on the nail, and provides a special protective layer to protect nails. Nail buffer shiner can polish natural nails well and trim nail shapes, 3 mins make your nails shine as like your nails with top coat nail polish. Recommended usage steps: 1.File nail into shape 2.Wash and dry the nail file 3.Polish and buffer nail surface 4.Nails shining Specifications: Material: nano glass Size (approx.): Glass nail polisher: 9 x 1.3 x 0.3 cm/ 3.54 x 0.51 x 0.11in Case: 9.4 x 1.9 x 0.7 cm/ 3.7 x 0.74 x 0.27 in Package includes: 4 x White Glass nail shiner 4 x Black Glass nail shiner 8 x Protective hard case Notice: Please clean after use, directly rinse with water, dry the nail file, put it back in the case.Practical gift: package includes 8 pieces nano glass nail shiner with protective hard case, a useful gift for girls who love nail art as Valentine's Day gift, birthday gift; The size of the crystal nail polisher is 9 x 1.3 x 0.3 cm. Suitable for most types of nail: whether you are round, rough or thick nails, the nano nail file can smooth out your nail tips, small size and light weight are easily placed in the handbag, well polished at any time, suitable for women, girls, man and so on. Washable nail files: the crystal nail file is durable and abrasion resistant; Easy to clean, safe and hygienic manicure, just rinse it directly with running water after each use, wait for it to dry and put it directly into the case. Nano material: the glass nail shiner is made of quality nano glass material, a harmless nail tool, can be applied by pregnant women and children, glass nail polishers are rather long lasting, no need to replace frequently like other nail file. Polishing nails: glass nail file use physical principles to achieve the healthiest polished nails, smooth out your nail tips, and glass nail buffer can easily polish the surface of nails, even the edges of nails, achieve shiny and smooth effects.Best Sellers Rank: See Top 100 in Beauty & Personal Care. Unit Count: 1.00 Count. Brand: Mudder. Material: Glass. Color: Black and White. : B083W67GZS. Manufacturer: Mudder. Item model number: Mudder-Nano Glass Nail-01. Product Dimensions: 3.94 x 3.15 x 0.63 inches; 4.8 Ounces.