Carry luggage, sports gear, camping equipment, coolers, and extra cargo on a vehicle roof with the Elevate Outdoor roof rack basket. The low-profile slim design cargo basket adds much needed storage space without taking up too much height on the vehicle roof. Each roof basket measures 39.5" L by 36" W by 2.75" H and features a maximum 150-pound cargo load capacity. Includes a unique mounting system designed for attachment to existing round or square shaped crossbars. Weather resistant, heavy-duty steel construction Square tube bottom with 2" side rails. Tough polyester electro-coat finish. Installs to most factory and or aftermarket roof crossbars. Vehicle crossbars required for roof attachment are sold separately. Fits 3.25" to 3.75" overall maximum cross bar width by 0.75" to 1.625" overall cross bar height. Requires 31.75" outside to outside roof bar spacing and 25.25" inside to inside roof bar spacing. Basket instructions are included, please allow around 30 minutes for assembly.