Gator Finishing 4199 3" x 4" Multi-Surface Sanding Sponge, 3" x 4" x 1", Black These general purpose sanding sponges combine good performance with great value. These four sided sponges are ideal when sanding and finishing wood, metal, drywall, fiberglass and painted surfaces. After use, these sponges can be rinsed and reused for the next project. Features For use on wood, drywall, metal, drywall, fiberglass, and painted surfaces Extra flexible for sanding irregular shapes, curved surfaces, contours, and corners Abrasive grit is on all four sides giving you full use of the sponge Sponges can be used wet or dry Flexible and durable foam construction USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.