Do it 9 x 11 in. Waterproof 220-Grit Very Fine Sandpaper, 5-Pack is for wet sanding between coats of paint, sealers, varnish, and other finishes. Made with silicon carbide, this sandpaper excellent durability and performance. It features a resin coating that lasts longer than ordinary glue bond sandpaper, ensuring a smooth and efficient sanding experience. Each pack includes five sheets measuring 9 by 11 inches, providing ample material for your projects. Model Number: 330132