The roadmaster dog guard is one of the few universally employable car barriers for large estate cars large 4x4s and vans mounts straight onto the head rests more space in the boot fits all vehicles with head rests on the back seats ideal for large estate cars large 4x4s and vans optimal side alignment and fit step free adjustment width 124 180 cm height 40 65 cm no bars in the boot no tools needed fitting without drills and screws