STRONG ADHESIVE door draft stopper, extra strong adhesive that does not degum, sticks firmly to protect doors for extended periods. Do not open or close the door immediately after installation. NOISE REDUCTION: Door bottom seal features a special structural design to help reduce noise and improve sound insulation. Helps maintain a quiet, clean, and comfortable room environment. SAVE ENERGY: Effectively prevents heat and cold air from escaping during winter and summer, improving energy efficiency and reducing energy costs. ONE SIZE FITS MOST DOORS: Measures 1.9 inches wide by 39 inches long. Can be cut to fit. Suitable for both interior and exterior doors. Fast and easy to install in minutes. HIGH-QUALITY MATERIAL: Made of pure silicone, non-toxic, with consistent color throughout. Resistant to both high and low temperatures. Durable and long-lasting.