Wet weather situations pose no risk to this tonneau. The WeatherTuff seals, tapered edges, and industrial strength Velcro closures make sure that your tonneau will shut securely on high of the truck and keep your valuables secure from the weather. http://Maymyrun.com/__media__/js/netsoltrademark.php?d=Xn--L3Ca4Bwe5B2B.Net