Size: 8" X 8"Material: Steel Reinforced FiberglassSelf-Adhesive Wall Patch Is Designed To Easily And Quickly Fix Damaged Walls And Ceilings Of HolesGalvanized Steel And Reinforced Fiberglass Mesh Offer Superior Strength For A Permanent RepairSuperior Patch For Door Knob Holes And High Traffic Areas Where Repeat Offenses Could OccurProvides A Thermal Barrier When Properly Used