During winter or when not in use, RVs must be protected from rain, icy weather or snow, dirt and pollution. In the summer they must be shielded from heat and damaging UV light. Using this covers results is a moderate internal temperature when entering the vehicle, thanks to a reinforced three layer material, waterproof on the external surface, UV film in the middle and softly inside. Two zipper opening on the right side, allow the access to the main cabin. Air vents allow condensation to evaporate and the down side hooks hold the cover tight during windy days.