The Express Extang Tonneau Cover is engineered with exclusive features that provide instant truck bed cover protection with top notch looks and superior tonneau performance. The Extang Express Tonneau Cover is the world's most convenient and easy to use roll-up style tonneau cover in the industry. Revolutionary components provide a secure, non-nonsense installation in just minutes!! All-weather tapered design repels water for protection from the elements and increased gas mileage. An Extang Express Tonneau Cover will pay for itself in gas savings within just a few months. All good reasons why Extang is America's number one selling tonneau cover line. And Why you want Extang Express Truck Bed Covers.