25 pcs per package. Optimized for drywall application, DEWALT(c) Sandpaper exposes grains to easily smooth out surfaces with its specially designed open-coat structure. Minimize accidental, premature tears with this sandpaper"s rip-resistant paper backing. Its built-in suction holes increase air flow when attached to a vacuum system and for added security, the hook-and-loop attachment system firmly bonds the disc to the tool as you work.