Once hot air moves in, it doesn’t take long for cooling costs to skyrocket. Double Draft Seal is designed to hug a door or window from both sides to block drafts and retain room temperature. It fits doors up to 44 inches and seals large gaps up to 1-3/4 inch! Double Draft Seal works on interior and exterior windows, doors and all floor types. It is easy to install and is made from washable, abrasion resistant fabric. Don’t let winter Or summer get the best of your energy bill! It help to make your room cool in Summer and lock AC cooling in the room and protect to enter hot air in room and Reverse in Winter. Note: Custom Size is Also Available Write required size in note Section.