100 per box, 180 grit hook and loop gold sanding disc sandpaper. Premium Materials - Top quality fused alumina grain increase durability and sharpness, provides efficient and long-lasting sanding. Craftsmanship - The developed binder improves the wear resistance and softness for sandpaper, make sandpaper not easy breakable and more durable. Features - Pre-punched 8 holes for dust collection, Velcro design for quicker and easier sandpaper installation and removal, keep a strong adhesion, avoiding falling off when use. Applications - Work with 5 inch random orbit sander - providing a grinding and polishing tool for wood, aluminum alloy, fiberglass, rubber, stone, painted surface, plastic and non-ferrous metals.