Keep your pets safe in your car Hook-and-loop Openings: The seat belt buckles can slide through the dog seat cover so that you can sit with your dog. 4 adjustable headrest anchors: Adjust straps as needed to fit your headrests, and tie the straps to secure the dog car hammock. Non-slip Backing: Ensures that the seat cover will not slip or slide when driving. Your pets can safely stay in the car. The durable seat cover for dog can be easily changed into a dog hammock, bench seat cover or trunk cargo liner. The durable seat cover for dog can be easily changed into a dog hammock, bench seat cover or trunk cargo liner.