MIXJOY Dog Car Seat for Large Medium Dogs, Back Seat Extender for Pets, Waterproof Pet Carseat for Medium Sized Dog, Hammock for Pet, with Storage Pocket for Cars/SUV/Truck(L-28 * 22 * 20.5in)Brand: MIXJOY Color: Grey Features: [Back Seat Extender+40% Space for Dogs]: The MIXJOY dog car seat extends 40% space in the back seat. Large dog car seat provide a larger and more comfortable resting space for dogs. [Passengers Can Sit Next to Dogs]: Using dog car seat can better utilize the space of backseat of a car, passengers can also sit in the back. If you use the full wrap around dog over, the rear seats will not seat people. [Large Dog Car