Not sure which 2009 Hummer H3 Truck Bed Accessories are right for you? We have over 313 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Shawn S from San Diego, CA said, "Bought the mattress for camping out of the back of my HUMMER H3T in the Southern California desert. Couldn't be happier with it. The included air pump is very handy and works like a charm."