Air/water mattress for a truck bed

A custom fit, tightly fitting, unitary one-piece, inflatable air mattress in combination with a motor vehicle, the combination comprising:

• a motor vehicle having a substantially rectangular flatbed having a plurality of protruding wheel well compartments and a tailgate;
• a one-piece inflatable air mattress having a substantially rectangular unitary base containing a front, a rear, an upper surface, a lower surface, and two side portions wherein said mattress is tightly located within the flatbed of said motor vehicle and covers the entire flatbed;
• the side portions of said mattress contain lateral recesses that precisely conform to the protruding wheel well compartments located in the flatbed of said vehicle and
• an air nozzle located near said rear and on said upper surface of said mattress;
• wherein the rear of said mattress is located adjacent to the tailgate of said vehicle when said mattress is placed in a bed of vehicle.