Nail file sanding buffer is composed of durable sandpaper and soft sponge. The sandpaper can shape your nails faster, and the sponge surface allows you to gently brush your nails in any direction without damaging the nails. It has obvious treatment effect on uneven nail surface, and can make the nail surface smooth and meticulous. Obvious polishing effect can appear in a short time. Long-term use on the natural nail can contribute to overall nail health and strength. Polishing block has a portable size (approximately 9 * 3.4 * 3cm) and light weight, very easy to carry. Whether you are traveling, shopping, or walking, you can easily put it in your carry-on bag and polish your nails anytime, anywhere, get you nails a healthy and shiny luster. Whether you are a professional or a beginner, this polishing block can meet your needs. It is suitable for many scenes such as nail salon, home use and makeup studio. Even pregnant women and children can use it.