This Funnytek door sweep brush is crafted from high-quality silicone that offers excellent flexibility and resilience. Its design ensures a tight fit against door gaps, effectively sealing out drafts, moisture, and noise. The brush is both sturdy and quiet, making it perfect for enhancing comfort and reducing energy loss in your home. It is also ideal for maintaining a clean and dust-free environment by keeping debris from entering through door bottoms.","The Funnytek under door draft stopper is a versatile solution for both residential and commercial spaces. It can be used to block unwanted sounds, prevent light leakage, and improve insulation by stopping hot or cold air from passing through door gaps. With a 39-inch length, it is suitable for a wide range of door sizes and can be cut to fit your specific needs. Whether you're keeping your home warm in winter or cool in summer, this door sweep helps in saving energy and money.