1. Made of high quality material, you can bend it at and it rebound automatically. 2. Can be cut according to your actual needs, easy to use. 3. Soft material more suitable for arc grinding. 4. It can deal with the scratches or burrs on the of models. 5. Nice accessories for Modeler Building Toolsmodel making, DIYSandpaper Sanding and Polishin. Product name: Sanding sandpaper Set Sandpaper size: about 75x25 mm Sanding block size: 75x25x23.5 mm Single storage box size: 90.5x63.5x43 mm Colour:As Shown Material:ABS+PP+emulsified rubber+alumina Package Contents: 20 x #400 sandpaper 20 x #600 sandpaper 20 x #800 sandpaper 20 x #1000 sandpaper 20 x #1200 sandpaper 20 x #1500 sandpaper 6 x sanding blocks 6 x storage boxes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.