This patch quickly repairs doorknob damage to drywall and is ideal for mis-cut or relocation of receptacles, ceiling and can lights. The patches are imprinted with can light and standard receptacle patterns for easy trimming. Perma patch will not fuzz-up during sanding. One perma patch repairs holes up to 5" diameter. - Quickly repairs door knob damage to drywall - Makes easy repairs to receptacles, ceiling and can lights, and mis-cuts - Trimming to pre-printed templates on patch allows for multiple uses - Easily installs using standard drywall compounds - CGC Perma-Patch is manufactured from a patented PVC fiber composite material.