Wall patch Application: Permanently repair damaged walls and ceilings. The repaired surface is smooth, beautiful, no cracks and no difference with the original walls after repairing. Performance include: 1) light-in-weight 2) good self-adhesive, 3) easy application, 4) galvanized metal patch for a permanent repair 5) provides thermal barrier Main three sizes available: 4"x4", 6"x6", and8"x 8"; other size upon your request. How to use: Lightly sand around hole and wipe clean. Remove backing paper from wall-patch. Apply patching compound to metal side of wall-patch and press firmly over hole. Cover entire patch area with compound, include feathering edges. Let dry. Then sand. Repeat as request. Apply texture. Then prime and paint or wallcovering. Standard packing