DAP DryDex Spackling Wall Patch Repair Kit provides a unique dry time color indicator that verifies when the patched surface is dry and ready to be sanded and painted. Provides a smoother finished surface in a shortened amount of time. DAP DryDex Spackling may be used to fill holes and cracks in surfaces such as drywall, plaster, wood, brick and stone. Its ready-to-use formula spreads easily for fast, professional repairs that will not crack, crumble or flake. DryDex dries hard, sands easily and is paintable. Kit contents include everything to complete the wall repair project: spackle, 5x5 fiber tough patch, 4x3 100 grit sandpaper and putty knife. Interior/exterior use.