63x39x6.3in Universal Roof Rack Cargo Carrier CarMaximize your vehicles cargo capacity with this 63x39x6. 3in universal roof rack cargo carrier. Designed for families and outdoor adventures, it securely carries luggage, gear, and equipment on your roof. Exterior dimensions: 63 in x 39 in x 6. 3 in overall dimensions provide a wide exterior cargo area. Storage capacity: Adds 1013 sq ft of exterior storage space, freeing interior cabin room for passengers. Material & thickness: 0. 39 inch thick high