Robust adhesion: door draft stopper, filling gaps up to 1 inch, equipped with exceptionally strong adhesive that remains intact over time, ensuring a secure bond for enduring door protection; Kindly avoid opening and closing the doors within 12 hours after installation for optimal results | Noise reduction: the door bottom seal designed by special structural, keep your room quiet, clean, suitable temperature | Save money and energy: the most efficient solution to prevent the heat and cold from escaping during winter and summer, reduce electric cost | Easy to install: can be used on interior and exterior doors, fast and easy to install within 2 minutes | High quality material: practical gap sealer is made of non toxic material, homogeneity of color, the same interior and exterior; heat and cold resistant