Frost King Outlet Plate Sealer, Plastic Foam, White, 4 in Height X 2-1/2 in Width, CSA Certified, UL Listed

Frost King Switch Plate Sealer, Plastic Foam, White, 4 in Height X 2-1/2 in Width, CSA Certified, UL Listed

M-D Wall Plate Sealer, Closed-Cell, Insulating, M-D, Suitable For Use With: Standard 1-Gang Switch Plates, Foam, White, CSA Certified, UL Listed

M-D Wall Plate Sealer, Closed-Cell, Receptacle Insulating, M-D, Suitable For Use With: Standard Size Outlet Plates, Foam, White, CSA Certified, UL Listed