These 220 grit sandpaper sheets, measuring 9" x 11", feature durable silicon carbide abrasive grains on waterproof latex-backed C-weight paper with a resin bond, suitable for both wet and dry use. Designed for precision sanding, they provide a fine finish ideal for woodworking, metalworking, automotive refinishing, and detailed craft projects. This 50-pack ensures consistent performance for smoothing surfaces, removing rust, or preparing materials for painting and polishing. Perfect for professionals and DIY enthusiasts seeking reliable, high-quality sandpaper for refined, expert results.