Premium thickened under door draft stopper: Our door sweep for bottom of door is made of pure silicone and non-toxic materials, easy to bend and deform, has a smooth surface, will not damage your floor during use, and has a longer service life | Multifunctional door draft stopper: The weather stripping door seal are specially designed to effectively reduce noise and prevent dust from entering through the door, keeping the room quiet and clean. It also prevents unknown creatures from crawling under the door into your room | Save energy: In winter and summer, under door gap filler have good usability to prevent air conditioning and heating leaks, make your room cooling or heating more efficient, prevent airflow, reduce electricity costs and save energy | Installation Instructions: 1. Please measure the required length before use to avoid unnecessary waste. 2. When installing, please use a hair dryer to heat the product for two minutes to make the adhesive more effective. 3. After installation, it needs to be pressed and left for 24 hours | After-Sales Service: We always firmly support our customers and take pride in providing high-quality, elegant products. If you encounter any problems, please contact us immediately and our professional after-sales team will be ready to help you