M-D 4-in x 2-1/2-in White Light Switch Seal Foam Switch/Outlet Weatherstrip (6-Pack)

Prevents cold air from entering home and reduces heat loss. Fits standard size switch plates. Insulating foam that easily installs underneath standard size toggle and rocker switch covers. UL Listed. Invisible after installation. 5-4/5-in W X 1/8-in H X 5-in L.