Is perfect for sanding/polishing fine woodworking, bowling balls, and marine vessels. Hook and loop design. For solid surface sanding. Silicon carbide. Special Abralon method coating. Knitted fabric on foam backing. Openings in fabric allow water and solvent and air to flow freely around the abrasive. Suitable for dry or wet sanding. Combines benefits of abrasive cloth and non-woven products. Constructed with a fabric face, foam center, and a grip backing. Abrasive grains are bonded evenly to the fabric face. Works especially well when sanding contoured surfaces, corners and sharp edges. Open cell design holds large amounts of water or solvent for lubrication and cooling. Foam center also provides for even surface pressure that helps eliminate finger marks when hand sanding.