Bushwhacker&reg; - Paws n Claws 50" Pet Hammock w/ Tether for Small and Mid-sized Vehicles - Dog Car Seat Cover Protector with Restraint Leash Harness Barrier Bridge Pad Bed Lead The hammock has a built in tangle free tether restraint. It attaches quickly and effortlessly around your headrest and/or baby seat brackets. Constructed of durable polyester fabric laminated with a foam backing. metal piping in the front and rear of barrier prevent sagging. Dimensions: 50 inches wide, ideal for small and mid-sized vehicles. To small? Consider our 56 inch hammock.