These sanding pads can be used wet or dry.
Sand and shape contours with flexible foam sanding pads that conform to almost any surface. Great for sanding odd shapes, edges and grooves. Reusable and washable, they last longer than sandpaper. Four Sided Palm Size Flexible Sanding Pad/Sponge (Coarse Grit) (1 Sponge) Uses include wood, drywall, metal, auto body sanding.