( White& Brown ) Door seal strip: The most efficient solution to prevent the heat and cold from escaping during winter and summer. Reduce electric cost. Can be used on interior and exterior doors of all types. Fast and easy installation within 2 minutes. Door tape for seal -Three sound proof cavity for this door draft seal is a efficient door insulation design, reduce noise up to five times; Help your door seal well; Also it is an direct energy saving set for your door to block cold and hot air