Abstract: A flexible adjustable liner for station wagons, minivans and SUVs comprising a water-resistant material with sealed bottom, front and side sections to prevent spillage or leakage into the storage area, and a rear section that opens and closes with the tailgate or hatch door, thereby allowing cargo items to be easily placed onto or removed from the liner. The liner is suspended by an adjustable tether-support system. The adjustable support system comprises a system of cords that are attached along the ceiling or upper windows of the vehicle via a series of suction cups and/or the original equipment clothes hooks, conforming the liner to the entire storage area. The cords are adjustable in length and are set by spring-detent cinches to vary the coverage of the liner across the cargo area.