This is 4 Ways Nail Buffing Sponge Block Sanding File. You can use it for polishing nail surface without damaging the nail. It is ly money and a value of products!                                    Features            High Quality Sanding Block File For Nail ArtFour side respectively have different functionsYou can use it for polishing nail surface without damaging the nail Made of high quality material， perfectly safe to use You can keep your nails smooth and shiny with itColor: Black， White， Gray， Multi-color， Blue(Center)Dimensions: 3.54 x 1.38 x 1.18 inch / 9 x 3.5 x 3 cm (L x W x H)Material: Sponge                                                                                                Package Includes            5 x 4 Ways Nail Buffing Sponge Block Sanding File