The Frost King R338H Self-Stick Rubber Foam Weatherseal is an essential product for any homeowner or business. With a width of 3/8" and thickness of 3/16", this seal is perfect for sealing gaps and cracks in doors and windows. The self-stick feature makes it easy to install, and the durable rubber foam material ensures long-lasting performance. This weatherseal is black in color and blends seamlessly with most door and window frames. As a factory, we are committed to producing high-quality products that meet the needs of our customers. Trust us to provide you with the best weatherseal for your home or business.