SPACIOUS & STABLE FOR ALL DOGS – This backseat extender for dogs (52.4’’ long, 24.8’’ wide, and 21.7’’ high) feature a hard bottom that expands space by 40%, supports up to 400 lbs, and includes firm inserts for a large stable base–ideal for multiple dogs or older, anxious pups. Plus, this version features a new, expansive storage pouch on the back of the driver’s seat for maximum storage. COMPATIBLE WITH THE FOLLOWING VEHICLES: Compatible with Tesla Model 3, Y, and S. Toyota RAV4, 4Runner, Highlander, and Tacoma. Honda Accord, Civic, and CR-V. Jeep Wrangler and Cherokee. Chevy Equinox. Nissan Rogue. Subaru Forester and Outback. Mazda CX-5. Hyundai Tucson. Audi A1. Cadillac XT6. Chrysler 200. Dodge Charger. Jaguar F-Pace. Maserati Levante, and other cars, mid-size SUVs, and mid-size trucks. NOT FOR OTHER MODELS - Medium is suited only for cars, mid-size SUVs, and mid-size trucks only. If your vehicle isn’t listed above, this Medium Seat Extender will not fit. For full-size trucks and full-size SUVs, select the large size to ensure the proper fit. Will not work with captain’s chairs or rear-hinged, backward-opening truck doors. Does not work in 3rd row. EXTENDS SEAT FOR CARS, SUVS & SMALL TRUCKS – Trimmed for cars, SUVs and mid-size trucks, the new backseat dog cover and extender uses a hard-board core and waterproof Oxford quilt. Unfold, secure the corner anchor straps, fasten each headrest strap, and you’ve bridged the seat gap for pets or cargo. The washable surface stops grocery bags tipping, lets pups sprawl, and folds up for quick stow when passengers need legroom. PROTECTED DOOR PANELS  – Shield doors easily with our dog seat cover for back seat with patented door panel protection (U.S. Patent No. 12,221,024) that velcros to window inserts that slide into the window seal. Blocking scratches, drool, and muddy paw prints mile after mile. EASY CLEAN & WATERPROOF  – Triple‑layer back seat cover for dogs repels water, mud, and fur across the backseat interiors. Wipe clean on the go, or machine‑wash on gentle for heavy messes and hang‑dry to keep your back seat fresh and spotless. Comes with a heavy-duty waterproof travel bag for tidy, grab-and-go storage. EASY INSTALL & SECURE DESIGN – Transport your pet safely with this pet seat cover for back seat with built-in anchors, seat belt zippers compatible with child seat anchors (LATCH), a non-slip underside, and a giant zippable mesh that allows for maximum airflow. The secure design keeps pets steady in transit while you focus on the drive. Elevate trips with this dog car seat cover for back seat that acts as a dog seat cover for back seat & a back seat pet cover for dogs. Designed as a backseat cover for dogs in car rides, it also functions as a dog car seat cover for daily commutes. Convert it into a dog hammock for car or trust these car seat covers for dogs to contain fur. This car dog cover back seat delivers broad coverage, making dog covers for cars back seat act like a dog bed for car outings. Each dog back seat cover merges with a seat cover for dogs in car layout, featuring a back seat extender for dogs that forms a hard bottom car seat cover for dogs to prevent sagging. Use a back seat cover for dogs or a pet seat cover for back seat to shield any dog car interior. Turn it into a dog car hammock or a backseat dog cover that works as a dog bed for car back seat getaways. Among dog car accessories, these pet car seat covers backseat has a backseat extender for dogs approach, so you get a back seat dog cover for car setup or a car hammock for dogs back seat lounge. This dog back seat cover hard bottom serves as a pet car seat cover for security. The hard bottom dog seat cover exceeds typical dog seat covers, & the car pet seat cover back seat design fits most vehicles. Need a dog car cover for back seat or a dog cover for car seating? It also acts as a truck back seat cover for dogs. The seat cover for dogs concept extends to a backseat dog cover hard bottom for support. Make it a dog hammock for truck or enjoy these car accessories for dogs anywhere. With a dog backseat extender hard bottom, it’s a seat extender for dogs plus a pet cover for car backseat for easy cleanup. Craft a car dog hammock or a car seat cover dog solution—maybe a dog car hammock for back seat trip. For bigger SUVs, see dog seat covers for SUV or try pet seat covers for trucks for full coverage. A truck seat cover for dogs or a car backseat dog cover suit hauling needs. So, get a back seat extender for dogs hard bottom now.