Back Seat Extender for Dogs-Supports 400lb,Waterproof Dog Car Seat Cover Hard Bottom-Detachable,600D Heavy Duty Scratch Proof Nonslip Soft,Dog Hammock for Car,SUVsTransform Your Back Seat into a Comfortable Pet Bed: Our back seat extender for dogs combines three sturdy honeycomb boards to create a spacious and secure area for your pet. This extender enhances your vehicle's backseat space while preventing your dog from falling into the footwell during sudden stops or sharp turns Upgraded 6 Layer Design Supporting Up to 400 lbs: Constructed with heavy duty materials, our dog car seat cover for back seat features