The Andersen 3600 Ultimate Trailer Gear Duffel Bag is great for using when going on travels in RVs, Trailers and Campers. The duffle bag comes with a number of useful pads and levelers that will help you level your RV at the first try itself! Easy to place and adjust, users can chock the wheels and level the vehicle by simply placing all the parts correctly, and the parts can also be easily placed inside the duffle for storage and portability.