The package includes 12 packs of 6 different colors and 6 assorted grits of 150/180/240/320/400/600 for easy identification and selection of the grit you need. Smaller numbers are coarser grit, larger numbers are finer.Made of waterproof aluminum oxide and elastic PU foam with a density of up to 20KGS/m3, in most applications, sandpaper sponges are much better than sandpaper because they are stretchy, stretchy, soft and easy to bend, easy to bend, grab and hold With one grip, you can easily sand uneven surfaces, sand edges and detail areas, and get custom shapes to get into nooks and crannies that will stand up to sanding, washing, and squeeze drying.perfectfor dry or wet hand sanding, remove material, provide a consistent scratch pattern and an even surface, no scratches, 2-sided sanding design, each sponge is durable, rinse clean, dry and use multiple times, it can be repeated Used and durable.[Size]- Sanding block The sanding block measures 4.7x3.9 x 0.4 inches (LxWxH), the sanding sponge is thin but very supportive, it allows you to sand contoured surfaces with ease, while thicker sponges are more difficult to work with. Better for polishingsize is 4.7x3.9 x 0.4 inch(LxWxH), the thickness of the sanding sponges are thin but hold up well, it allows you to sand contoured surfaces easily whereas the thicker sponges are harder to use. it is more suitable for use for polishingGreat for cleaning projects around the house and auto body repair projects, car polishing, quick material and rust removal, great for sanding wood cabinets, crafts, plastic molding, drywall restoration, rubber, in-service wood trim and for bending applications Cabinets, grills, walls, tiles, tubs, crockery.Colour:multicolorMaterial:FoamSize:120 x 100 x 12mmPackage Contents:12 x foam padsOnly 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.