DAP Wall Repair Patch Kit featuring DRYDex Dry Time Indicator Spackling comes with all of the tools needed to complete a wall-patching project. This kit may be used to repair holes up to 4" in diameter in drywall, plaster or masonry surfaces. DRYDex Spackling provides a unique dry-time indicator that verifies when the patched surface is ready to be sanded and painted. Details: Goes on pink, dries white For indoor use Contents: 1 tub of DRYDex spackling (8 fl. oz. / 236 mL) 1 fiber tough wall patch (5" x 5" / 12.7cm x 12.7cm) 1 100 grit sandpaper (4" x 3" / 10.2cm x 7.6cm) 1 ergonomic plastic putty knife ( 2" / 5 cm)