Trust the SandWet T280 multi-grit paper waterproof sheet to deliver fasting cutting action and a smooth, even finish on hard and soft woods. This versatile paper sheet is ideal for wet, oil, or dry sanding applications. Crafted with P-graded aluminum oxide abrasive over a waterproof C-weight backing that withstands demanding applications and resists curling due to humidity. Comes in a convenient multi-pack that includes super-fine, extra-fine, and very-fine grits.