Nikwax Tent & Gear SolarWashA(R) has been specifically formulated for cleaning effectively, reviving water repellency (DWR) and adding ultraviolet (UV) protection to all weatherproof textiles, including cotton, canvas and all synthetic fabrics. An easy-to-use spray-on cleaner, Nikwax Tent and Gear Solarwash extends the life of synthetic and canvas tents by up to 50%.