These 320 grit sandpaper sheets measure 9x11 inches and feature durable silicon carbide abrasive for fine sanding tasks. Suitable for both wet and dry use, they deliver smooth, precise finishes on metal, hardwood, plastic, ceramic, and glass. The waterproof latex backing and resin bond ensure long-lasting performance and versatility. Ideal for woodworking, metalworking, and surface refinements, this 10-pack provides reliable abrasion for professional-quality results in various applications.