GOGO Dog Auto Travel Back Seat Pet Hammock Easy-Fit Seat Cover GREEN Length: 55 inch, Width: 59 inch, Height: 21.6 inch, Package size: 15.7 x 7.8 x 3 inch. Made of 600 denier polyester material. Adjustable locking seat clasps for tight fit, Seat fasteners come with snap buckles. Cute Double Waterproof Hammock Pet Dog Car Seat Cover is convenient to carry and store. Waterproof construction provides a barrier to the front seat.