The 11-cubic-foot-capability Horizon M Cartop Provider is made of effect resistant ABS content and includes a passenger side opening for easy accessibility to cargo. I'd be Really wary of the kind of roof rack which will be made use of. The more mature cars like Individuals pictured with rain gutter http://cars04926.ampblogs.com/The-Fact-About-Roof-Top-Car-That-No-One-Is-Suggesting-22863264