?Nano Glass - Advanced Technology?Foot File adopts glass surface with nano-etching pattern technology, more effective than feet scrub/steel/gravel/pumice stone, for quick calluses removal. The foot scraper is firm and not easy to fall off, not broken, not rusted, it?s effective but gentle, won't hurt your feet. Rinse with water after use. ?Elegant Design? The shape design is inspired by water droplets. The whole body is electroplated and painted, dazzling and bright, ABS non-slip handle gives you a more comfortable grip. It is greatly designed to allow you work with ease and experience the best of comfort! ?Foot Massage Function?Foot scraper The end of the handle is inlaid with natural jade. The thoughtful design can relax the soles of your feet and relieve foot fatigue after a busy day. ?Saving Time Foot Salon at Home?Create your own salon with sleek feet from the comfort of your own couch. Better results without going to pedicure salons, meaning that you care for your feet regularly, experience a soft, smooth and beautiful skin, exactly like a baby skin . Wonder Gift for families and friends! What?s Included: Nano Glass Callus Remover Foot File + Storage Bag Handle material: Ultra Tempered Safe Glass + ABS Dimension: Nano Glass Callus Remover Foot File: 9.84" x 2.16" Storage Bag: 11.8" x 3.9" Craft: 3D Nano Laser Cutting, Electroplating Paint Step 1 Can be used in wet and dry.But we recommend to soak your feet in warm water for 10-15 mins to soften skin,then use the callus remover to exfoliate feet in up and down direction. Step 2 Rubbing back and forth on callous and dead skin with glass file Step 3 Foot scraper The end of the handle is inlaid with natural jade. The thoughtful design can relax the soles of your feet and relieve foot fatigue after a busy day. Step 4 Just need to rinse with clear water after use.