Fitments - Suitable for car roof flat width is 110-114cm, not included both side just the roof flat width. Durable Materials - The roof rack cross bar is made of high-quality materials, which are not easily deformed and have a long service life. Tough Structure - Good strength aluminum alloy can support luggage, ladder or cargo. Tough internal structure, creates strong load capacity. Space utilization - The roof rack cross bar can place large items on top, freeing up interior space, making passengers more comfortable, and providing more legroom and headroom. Professional Installation - Easy installation.