I'll be brief. I've ridden it on the roof for over 1500 miles in very heavy snow. Everything inside was dry. When I stopped I made sure to check the straps and for the most part they stayed perfectly taut. Well, admittedly, I haven't had it for a long time. The reason is that 20 minutes from home I turned onto a country road, got stuck on slick ice and the car rolled off the bridge. Obviously the roof rack took the brunt of the blow. However, the ONLY part of the trunk that suffered rolling damage was the floor. The only reason for this is that I had a plastic bag that shattered on impact and punctured the inside of the carrier. Top and zippers were perfect. I won't be buying anything like this again anytime soon (I'm broke now having to buy another car) but I will definitely buy it again. I found it very durable, easy to install and roomy. For the price you can't do better (and honestly I'm not sure you would do much better if you spent more). I definitely recommend it.
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