The Sunmight 8111 Waterproof Plain Sheet is a high-quality 9 x 11 inch sanding sheet designed for wet or dry finishing in automotive, woodworking, and industrial applications. Featuring aluminum oxide grain and a durable latex paper backing, this grit 220 sheet provides smooth cutting action and excellent flexibility. The resin over resin bond enhances grain retention and extends sheet life, while the closed coat construction delivers consistent, refined finishes. Ideal for intermediate sanding, surface preparation, and finishing tasks requiring clean, controlled results.