TIROL Weather Resistant Roof Bag Roof Top Cargo Carrier (15 Cubic Feet) Rooftop Cargo Carrier Includes Heavy Duty Straps Fits All Cars: with Side Rails, Cross Bars or No Rack, Carrier Bag Has 15 Cubi This cargo roof carrier is crafted from 600D Oxford Cloth & PVC coating for waterproofing, protect your gear and luggage from light rain and dust on the road Robust & Security - The roof cargo bag comes with 4 strong & wide straps which keeps roof bag securely in place to prevent sliding even on the rough and bumpy road Weatherproof design protects cargo against road grit, sun, wind and rain; Folds down into small storage bag for easy keeping and carrying WARNING! 15 cubic feet capacity, As a guide will fit up 10 small carry on suitcases.Do not exceed the weight limit of your vehicles roof. Consult the vehicles manual to find maximum weight limit (not more than 30kgs). Easy installation: FOR RACK: straps attach to side rails or cross bars or basket. NO RACK: straps loop from top of bag through inside of car; doors close over straps. Straps don't interfere with door seal or window or side curtain bags.