3M Large Hole Wall Repair Kit Large hole repair kit uses a new behind-the-wall system and fiber reinforced compound to easily fix holes ranging from 3 In. to 5 In. Includes 12 Oz. tub of wall repair compound, 6 In. self-adhesive back plate, 6 In. putty knife, tape, and 3M sanding sponge to smooth surface after patching. Repairs damaged areas on walls and ceilings. Great for drywall and plaster. No shrinking, cracking, or sagging. Dries 5 times faster. Firmly holds nails and screws. Interior/exterior. White when dry. Contents or Pieces in Kit 5, Pkg Qty 1, Package Type Card WARNING This product can expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.