The 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 3 inches in diameter in drywall, plaster or masonry surfaces. DRYDEX Spackling provides a unique dry-time indicator that indicates when the patched surface is ready to be sanded and painted. No priming is required and this product will not sink or shrink. Selling unit is 8 ounces.