"Never Blunt" Crystal Glass Nail File Unlimited lifespan of the filing surface Smoother & healthier nails Prevents nail chipping Hygienic and easy to clean Suitable for natural and artificial nails HOW IS IT DIFFRENT? The filing surface of the glass nail file is finely and uniformly roughened due to a unique, patented manufacturing technique. The result? Smoother and healthier nails. When using other types of files, especial metallic or those made from paper, nails tend to split or even after gentle and regular care they remain brittle and peeling. Regular use of glass nail files will prevent this from happening. Compared to ordinary metal or paper nail files, where grinding grains are attached to the base, falling out might occur. The filling surface of the glass nail file is created right out of the glass nail file body – it is non-eroding and has an unlimited lifespan. GLASS NAIL FILES Glass nail files are ideally suited for both natural and artificial nails. When using on artificial nails it is recommended to dip the glass nail file repeatedly in water during filling. Glass nail files are versatile, besides for nail they can be used for removal of hardened skin around nails and on the soles of your feet (heels) HOW TO CLEAN To keep clean the nail file clean & hygienic, it can be rinsed under running water after use. To clean dirtier files, just use a brush with a mild detergent. Sterilize with rather heat ( up to 250C ) boiling water or UV lighting. GLASS NAIL FILE SAFETY In case of damage to the glass nail file, it is essential to stop using the damaged file to prevent injury. Even a slight lesion reduces the effectiveness of a hardened glass object. Young children must be supervised by and adult when using glass files. Hand made in the Czech Republic. Total Size: 5 & 1/2 Inch