SPECIFICATIONSNumber of Pieces: COMBOQuantity: 10pcs/50pcs/100pcsItem Type: Nail FileSize: 17.8x2.8cmModel Number: as picture  Professional 100/180 Nail File Nail Art Files Salon Tools Sanding File BufferSize:show as the picturePackage :50pcs/100pcsMaterial:Sandpaper on surface,Sponge(EVA) on second layer, Plastic(PP) in middle-level.Occasion:1)Essential nail art tools for filing nails before nail treatment / nail extension / manicure procedures2)Can be used to file natural nails, false nails, nail extensions, etc.3)Perfect for finger care, woodworking, and salon usage4)Perfect for both professional use and personal use