🔒 Seal in Comfort, Block Out Chaos! No tools needed—just slide it on and enjoy! Create a serene environment by blocking unwanted sounds. Transform your home into an energy-efficient haven! Crafted from robust vinyl for long-lasting protection. Lower your bills and carbon footprint effortlessly. Energy Saver Easy Install Draft Blocker The M-D Building Products 43336 Vinyl Cinch U-Shape Slide-On Under Door Seal is a 36-inch, easy-to-install weatherproof solution designed to block drafts, reduce noise, and enhance energy efficiency. Made from durable vinyl, it fits snugly under standard doors, ensuring long-term performance and comfort in your home.