Dog Seat Cover for Back Seat Hard Bottom, XL Backseat Extender for Large Dogs (+420 lbs), Waterproof Dog Car Hammock with Door Protectors, Non-Slip Heavy-Duty Pet Seat Cover for Truck, SUV & CarBrand: Paw Reserve Color: Dark Grey Features: DOG CAR SEAT COVER FOR BACK SEAT WITH HARD BOTTOM SUPPORT: XL backseat extender for large dogs creates a flat, stable platform that prevents dogs from falling into the footwell during stops and turns. Designed for large breeds, senior dogs, and multi dog families, supporting up to 420 lbs for safe, comfortable travel. BACK SEAT EXTENDER FOR DOGS EXTRA SPACE & COMFORT: This backseat extender for dogs