[Double-sided Sand]: These nail files are double-sided and have different densities dullness on both sides. One side is 100 grit suitable for forming nails and roughing them; on the other side, 180 grit makes the edge of the nail more delicate. [Applicable]: suitable for manicure, nail fixing, nail beauty, nail polishing, etc Suitable for men and women, they can be nails, nails, pet nails. [Easy to use]: one-piece nail file size 17.8*2.0*0.42cm, easy to use, very portable. [Durable and washable]: Made with high quality sand rod, the nail file is very portable and can be used for a long time. They are washable and can be washed with water after use. [Best Gift]: It is a wonderful gift for girls who love nail art. It is also the best choice for birthday gifts, Halloween gifts, Christmas gifts or Valentine's Day gifts.