1.[UNIVERSAL COMPATIBILITY]:The universal roof rack cross bars fit most vehicles with existing raised side rails with gap, maximum of 49.5' between the side rails.The roof rack is equipped with the internationally recognized T-slot, which not only perfectly integrates with the car, but also can be quickly used in combination with different bike racks, luggage racks and kayak racks 2.[TOP GRADE MATERIALS]:The car roof rack is made of lightweight aluminum throughout, which won't be bulky and has a load capacity of 200 lbs. at the same time. The connection between the cross bars roof rack and the car is made of high quality plastic, which is not only strong, but also will not damage the car! 3.[EASY TO INSTALL] :Each set of crossbar roof rack comes with the necessary installation tools, no need to assemble, refer to the instructions or our installation video to quickly complete the installation and removal. It is very convenient for you!Built-in locking system on roof cross bars to prevent it being stolen 4.[LESS WIND NOISE &EXCELLENT DESIGN]:This crossbar is made of fully enclosed aluminum profiles, and with the included rubber strips, it greatly improves wind resistance during driving and reduces wind noise.The crossbars for roof rack are perfectly streamlined and sporty, and work well with a variety of car racks for roof!