Prest-on Invisi-Back make true drywall crack repair quick & easy. The Invisi-back will create artificial backing, with no support or attachment to nearby wall studs or joists. Make finished repairs that are smooth, bump free. Reconstruct and fortify broken panel edges from outside the wall. Cracks won't return to the same space & there is no need to replace the panels. The result is faster, easier drywall repair while saving time & money!

EACH BOX WILL COME WITH 8 APPLICATORS AND 200 REPAIR CLIPS