Do it Gray Felt Weatherstrip, 5/8 In. x 3/16 In. x 17 Ft. is an economical and effective solution for sealing out drafts and dust around windows and doors. This weatherstrip is made of durable felt material, designed for easy installation by nailing, tacking, or stapling it to the frame or molding of your windows and doors. By properly sealing gaps and openings, it helps prevent drafts from entering and dust from infiltrating your living space. This added layer of insulation improves energy efficiency, helping to reduce heating and cooling costs while enhancing comfort in your home. Model Number: S258/17HDI