M-D 4-in x 2-1/2-in White Light Switch Seal Foam Switch/Outlet Weatherstrip (12-Pack)

DIY Building Supply stocks MD Building Products which provides a full assortment of weather-stripping and high-density foam tapes for any weatherproofing needs. M-D 4-in x 2-1/2-in White Light Switch Seal Foam Switch/Outlet Weatherstrip (12-Pack) prevents cold air from entering home and reduces heat loss.  It fits standard size switch plates and it features insulating foam that easily installs underneath standard size toggle and rocker switch covers