STRONG ADHESIVE door draft stopper , extra strong adhesive non-degumming, stick firmly, Protect your doors long time. Please DO NOT open and close the doors within after installed. NOISE REDUCTION : The door bottom seal designed by special structural , keep your room soundproof.Keep your room quietly, clean, Suitable temperature. SAVE MONEY AND ENERGYThe most efficient solution to prevent the heat and cold from escaping during winter and summer. Reduce electric cost ONE SIZE FIT ALL DOOR AND EASY TO INSTALLSize: 1.9 W x 39" L , 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 Pure Silicone, non-toxic. True material, homogeneity of color, the same interior and exterior; Heat and cold resistant. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!