1.UNIVERSAL ROOF RACK CROSS BARS: Cars, Sedans, SUVs, this roof racks set fits all bare/smooth roof vehicles with a roof width of less than 48 inches (see detail page for applicable roof sizes). 2.MULTIFUNCTION CAR ROOF RACK: Compatible with roof boxes, roof baskets, roof bags, cargo racks, bike racks, kayak racks, canoe racks, skis, and other roof accessories, helping you to easily carry what you need on the road with your car and ensuring that you enjoy your outdoor adventures to the fullest. 3.HIGH QUALITY MATERIAL: Adjustable car roof racks are made of Aluminum Alloy, which is lightweight, strong and will never rust. Reinforced for long term use without bending. 4.176LBS LOAD CAPACITY: Sturdy aluminum roof rack cross bars feature a load capacity of up to 176 lbs, suitable for most of the roof accessories you want to carry luggage racks, surfboards, camping gear, bikes, skis, kayaks, canoes and other large items. 5.HIGH QUALITY DETAILS: Car roof rack crossbars come with 3 different fixing clamps that allow you to choose the most suitable one for mounting on your car's window frames according to window type; the elasticity can be adjusted for perfect fit; 8 cushioning pads and 4 rubber pads protect your car's paintwork from damage or scratches. 6.LOW NOISE LOW VIBRATION: Aerodynamic narrow aluminum tube design minimizes wind resistance and noise, and rubber pads on the mounting feet protect the vehicle from scratches. 7.EASY TO INSTALL: No holes to drill, no side rails required; comes with the necessary installation tools for easy assembly and disassembly in minutes. After installation, please adjust the tightness for fit. 8.NOTE: This set does NOT fit any vehicle with raised rails, flush rails, fixed points or factoryinstalled roof racks.