Thin, coated on one side with aluminum oxide or silicon carbide abrasive.
Fits comfortably in your hand. SoftTouch contour sanding sponges are coated with high performance abrasives and a waterproof bond so they can be used wet or dry. For use on wood, metal, composites, paint and solid surfaces The finishing action of sponges generates a finer finish than conventional coated abrasive products.