These 280 grit sandpaper sheets, sized 9x11 inches and sold in a pack of 50, feature durable silicon carbide abrasive for fine sanding tasks. Designed for both wet and dry use, their latex waterproof backing and resin bond ensure long-lasting performance. Ideal for smoothing wood, metal, plastic, ceramic, and glass, these sheets provide precise abrasion for a polished finish. Their standard dimensions fit most sanding tools, making them suitable for professionals and DIYers seeking reliable, high-quality sanding results across various projects.