Blue Sandpaper are high-performance, film-backed discs made from aluminum oxide with a non-loading stearate. They are ideal for finish sanding on woods, paints, metal, plastic, cultured marble, and solid surface. We have Adhesive-Backed, H&L, and hole patterns. These come in grits 80 – 2000. 5” and 6” come in 100/box. 11” comes in 50/box.