Sanding sponge uses high-density sponge as the base material, adopts high-quality mineral sand coating, 4-part coating, can be used in dry and wet, sharp and wear-resistant. It is a good tool for hand polishing. The sponge has good elasticity and good water storage function, which can reduce flushing and improve work efficiency. Planting high-density sand has higher grinding efficiency than sandpaper, and the service life is 5 times longer than standard sandpaper. It is an excellent substitute for sandpaper. lfrosted, easy to distinguish and use. In the polishing process, special attention should be paid to grinding from coarse to fine. The larger the number, the finer the particles and the better the polishing effect. Sanding sponges is widely used for grinding all kinds of metal and wood products. It can be used for renovating wooden furniture, stripping and polishing paint, polishing metal jade, removing rust from rusty cutting tools, roughing plastic products, cleaning the stove, etc.12 sanding sponges, different particle sizes of 60/ 80/100/120/180/220, two of each type.Note: The data is all manual measurement, please understand. please allow 1 - 3cm error, due to the light and display difference, there will be some color difference, depending on the physical object received.