ProSeal Garage Door Weather Seals are made of durable weather resistant PVC. The PVC contains UV inhibitors which will ensure they remains soft and flexible and will not deteriorate from exposure to the sun. The high quality vinyl remains flexible at extreme low temperatures, providing a tight seal for your garage door. ProSeal locks out the elements by conforming to the shape of your garage door. ProSeals can easily be painted to match your home. Helps save energy, by keeping your garage warmer during the winter and cooler during the summer.