Doors and windows are one of the most common sources of drafts in your home. Duck? Brand Double draft seal is a removable solution designed to insulate your door from both sides, providing year-round protection from wind, as well as dust, insects and pollen during the warmer months. Featuring foam inserts that can be cut to size and patented straps that hold the seal in place, the Duck Double Draft Seal works with most types of flooring and can be used on interior or exterior doors and windows.