Red Devil ONETIME Lightweight Spackling makes repairing walls and ceilings fast and easy! It fills cracks, dents, nailheads and other holes in just a single applications. This premixed formula goes on smoothly, dries quickly and can be used indoors or outdoors. It won't shrink, sag or crack after being applied, and because it's so lightweight, it requires no sanding. Try ONETIME and you'll see why it's the professionals' #1 choice in lightweight spackling!.