Abstract: The cargo tray of the invention is used in combination with a vehicle having a cargo portion. In a preferred embodiment of the invention, a first tray member is incrementally adjustable in a second tray member to adjust the size of the cargo carrying area. In the embodiment of the invention adapted for automobile trunks, the cargo tray includes a first tray member with engaging members and a second tray member with engagable members so that the first and second tray members can be held in position relative to each other to support the cargo away from the sides of the cargo area of the vehicle.