Our 4 layer seat cover has a 600D Oxford layer with waterproof PVC. It has PP extra thick and soft fiber (cotton) and polyester taffeta protection with water-resistant TPU as the second and third layers. The heavy-duty non-slip mesh backing provides additional comfort and maximum safety to your pet as well as passenger and more protection to the car seat cover Mesh Window You and your pup can always see each other. Your pet can see you from the back seat, reducing their anxiety during the ride. Mesh windows also ensure air circulation Tips: Our dog seat cover comes with 2 sizes, standard (54" W x 58" L) and X-Large (60" W x 64" L), you can measure the length of your seat and choose the right one We also provide a PE bag for easy storage! Versatile Back Seat Dog Hammock Simple Deluxe car backseat dog cover can be converted into: Complete hammock: Ensures full coverage of the rear seat, doors and headrests Semi-hammock:Allows passengers to conveniently sit in the back seat with your furry baby in the hammock Bench-style: Provides enough room for your buddy to play while protecting the seat cover from damage Trunk style: A perfect cargo liner that ensures cleanliness Package Includes: 1*Dog Seat Cover 2*Door Slide Straps 1*Dog Seat Belt 1*PE Bag 1*Color Manual