Strong and durable adhesive for long lasting protection Features extra strong adhesive that sticks firmly and resists degumming, helping the door draft stopper stay in place for the long term. Important: do not open and close the doors within 24 hours after installation. Enhanced noise reduction and room comfort Innovative door bottom seal with a special structural design reduces noise transmission, helping keep your room quieter. It contributes to a more comfortable environment by supporting a cleaner, steadier temperature. Energy savings and lower costs An efficient solution to prevent heat and cold from escaping through gaps at doors, improving winter and summer energy efficiency and helping to reduce electric costs. One size fits most doors and quick to install Size: 1.9 inches wide by 39 inches long. Suitable for interior and exterior doors. Fast and easy to install, typically within 2 minutes. Use scenarios Winter comfort: Install on an exterior or drafty interior door to stop cold air from seeping in and keep floors warmer. Quiet spaces: Apply on a door near a busy street or traffic area to reduce noise intrusion into bedrooms or offices. Energyconscious living: Use on doors with noticeable gaps to enhance overall home energy efficiency and lower utility bills. Specifications Size: 1.9' W x 39' L Compatible: Interior and exterior doors Installation: Quick setup, about 2 minutes Note: Do not operate doors for 24 hours after installation to ensure strong adhesion