???The Best Gift Choice? It's the best gift for your friends, mother days gift, birthday gift, Christmas gift and essential for nail salons or who loves nail art. ???Healthy & Portable?The material used in nail file is healthy and environmentally friendly. Rinse with clean water after each use and can be reused many times. Lightweight portable and convenient design, you can take it anywhere. No more frequent goes to nail salons. ???Great on Nail Job? It is suitable for removing nail polish, polishing, buffering, shaping, for artificial nails, natural nails and acrylic nails. ???Double Side Nail Buffer? 100 grit to polish off nail polish, uneven edges, etc; 180 grit to smooth your nails edge. ??Perfect Nail Manicure Set? 20 pieces 100/180 grit double-side nail file buffer; each size is 3.3*0.4*0.15 inches (8.4*1.1*0.4cm).