Star brite Waterproofing Spray with PTEF restores water repellency in virtually all marine fabrics from boat covers to bimini tops. It's also the easiest, most effective way to waterproof car covers, tents, tarps, foul-weather gear, convertible tops, and more. Use it on new fabrics, too, greatly extending their service life thanks to the extra barrier against moisture and UV rays. Restores water repellency Use it on all marine fabrics or car covers, tents, tarps, foul-weather gear, convertible tops, and more Extends fabric service life thanks to elemental protection Shields against water and UV rays