YJGF Back Seat Extender for Dogs,Dog Car Seat Cover for Back Seat Bed Inflatable for Car Camping Air Mattress,Dog Hammock for Car Travel Bed,Non Inflatable Car Bed Mattress for Car SUV Truck (Grey) Back seat into car bed】The back seat extender for dogs turns all the space in the back seat into a resting space for dogs. The back seat becomes a car bed to make the dog more comfortable on the road.