Specification: Size: 17.8x1.2x2.8cm High elastic cotton, can pass the new European standard test The product does not crack or lose sand after bending, it can be washed with water, and the rubber sheet has good toughness Scene: polishing nail noodles, handicrafts, leather, writing games, etc. detail: Inner splint (the splint is made of high-hardness plastic with good flexibility) Front fine sand (high-quality fine sand, not easy to fall off, can be used to sharpen nails) Coarse sand on the back (coarse sand polishes nail surface grease and uneven areas) Color: pink/blue/gray/yellow/orange/black Best use for shining and sharping nails perfectly. Used for shining and sharping nails perfectly. A handy little nail art tool to polish buffer and shape up uneven nail surface before UV gel and acrylic application. Can be used before applying nail polish or nail treatments. Suitable for professional use or home use. Package Contents: 10 Pc Nail Art File