A shelter for a vehicle includes a container member adapted for being detachably affixed at a rear side of said vehicle and a cover arrangement including a utility body having a rear lateral side extended from the container member. The utility body is normally stored in the container member when it is not in use. The utility body is large enough to cover an outer surface of the vehicle that the utility body is unfolded to extend a front lateral side from the container member toward a front side of said vehicle for covering the vehicle.a cover arrangement and a accessory unit, wherein the cover arrangement comprises a utility body for covering the surface of the vehicle, and a traction member provided at the lateral of the utility body, wherein the accessory unit comprises a container member defining a receiving cavity for storing the utility body, and a first elongated supporting element provided edge of the container member, wherein the utility body is capable of extending from the traction member to the container member, wherein the first elongated supporting element can be positioned at the rear portion of the vehicle and the traction member can be positioned at the front portion of the vehicle when the utility body is in use.