Pro Grade Precision 2.5 in. x 4.5 in. x 1 in. 220 Grit Extra Fine Faster Sanding Sanding Block Sponge (2-Pack) Features: Professional-grade foam keeps its shape for lasting use Premium mineral grits for effective hand sanding Suitable for wet sanding or dry sanding Sanding sponge will not discolor the surface you are sanding Conforms to your surface for easy sanding Resists clogging for lasting use Intended for use on most surfaces Great for construction, woodworking, carpentry, and home improvement projects like paint and drywall sanding Simply rinse and reuse For best results, sand with the grain of wood, working through a sequence of grits from coarse to very fine. Do not skip more than 1 grit between each sanding step Can be used for contoured surfaces Package contents: 2 sanding sponges