Cool Cover(TM) is designed to prevent air tubes from becoming heat sinks. Made of heat treated glass fiber with a reflective coating, Cool Cover(TM) will reflect radiant heat from air tubes and promotes a cooler, denser, more powerful air charge. With a unique full length hook & loop closure design, Cool Cover(TM) can be removed in seconds without the need of any hand tools! Reflects heat from air tubes Promotes cooler air charge for added power Installs & removes in seconds for show or go Fits up to 4 in. diameter tubing Up to 4 in. O.D. x 36 in. L