The insulating device for doors with extra large gaps! Cold air stays out...Heat stays in.nIncludes one Twin Draft Guard® Extreme door draft stopper in brown color. Fits doors up to 36u0026#34;.nSave energy and money! Door draft snake makes heating and cooling your home more efficient.nPatented hook u0026amp; loop adjustable closure for a secure custom fit.nAn original product from Hampton Direct, Inc., the official maker of Twin Draft Guard®.nTwin Draft Guard is a double sided insulating device for doors AND windows The fabric draft stopper sleeve holds foam cylinders on opposite sides of a door, creating an airtight, draft-proof seal. Door Draft Guard works on any floor, even carpets, to insulate living areas, garages and basements.