【XL Size-Full Coverage Hard Bottom- Perfectly Fits the Spacious 60" x 30" Rear Seat of Your Full-Size Truck】Not a 27.5" Compromise. Built for Full-Size. It Specifically engineered for Crew Cab models like RAM 1500/2500/3500 Crew Cab. GMC Sierra 1500/2500HD/3500HD Crew Cab. Toyota Tundra, Chevrolet Silverado 1500/2500HD/3500HD Crew Cab. Nissan Titan Crew Cab. Titan XD, Ford F150/F250/F350 SuperCrew. 【Save Your Precious Time】Before you buy, please quickly measure your truck backseat area to ensure it can accommodate our trock dog seat cover back seat, which measures 29" Long x 59" Wide. To ensure a proper fit, we advise that this hammock is not compatible with vehicles that have a rear seat width under 59" or a front-to-back seat distance under 29". This includes some older model full-size trucks and certain full-size SUVs. This simple check guarantees a perfect, hassle-free fit and protects you from the frustration of ordering the wrong size. 【Built to Last, Backed by a 3-Year Guarantee】Our truck dog seat cover back seat are made durable. If yours has a defect, we'll replace it for free within one year — no hassle. 【Extra Comfort for Every Mile】Upgraded with Cloud-Like Egg Foam for an Unbeatable. Happy Dog, Happy Trip. We upgraded to cloud-like foam that absorbs road shocks and creates a plush nest. Your baby's travels in comfort and gets out ready to play. 【Where Every Pet Feels at Home-Full Coverage Hard Bottom】Not only for its cleaner and more visually appealing design. Unlike flimsy, Six-panel or Eight-panel designs that sag and shift, our premium truck dog seat cover back seat features THREE full coverage independent, weight-bearing panels. This design creates a perfectly flat, secure, and comfortable "hammock" that cradles your pet, preventing anxiety and discomfort during travel. Our 3-panel hard bottom structure is engineered for maximum stability and comfort, distributing weight evenly without the discomfort of feeling multiple hard seams. It's the simpler, smarter, and safer choice. 【Waterproof Scratch-Proof Haven & Mesh Wiindow】Give your dog a worry-free zone to be themselves. Our truck dog seat cover back seat 100% leak-proof barrier confidently contains, slobber, and shed fur, while the tough material protects against sharp claws. Let them relax naturally without you worrying about the mess. Ease your dog's travel anxiety with the breathable mesh window. It lets your baby's keep a comforting eye on you, preventing feelings of isolation for reassuring pats and closeness throughout the ride. 【First-time setup tip】For your large dog's safety and the best experience, please pull the headrest straps tight. A secure fit means optimal support and peace of mind on the road. Product Name：Truck Dog Seat Cover Back Seat Brand: AIEDOULER Feature 1: Our truck back seat extender for dogs increases the rear activity space, so that the dog can move more space, and with the front back, no longer need to worry about your furry friend falling into the foot pit. Feature 2: Sturdy material, our dog back seat covers for trucks is not easy to tear, made of scratch-resistant 600D Oxford cloth quilted fabric with tightly stitched edges, sturdy and not easy to tear. Feature 3: Ultra high weight capacity, up to 400 lbs. Our hard bottom is made of the latest hollow technology PP board, thickened and encrypted, perfect load bearing and not easy to bend. Feature 4: Easy and quick installation, installation time is less than 5 minutes. Installation steps and folding steps are also detailed in the instruction manual. First spread out the back seat extender for dogs with the mesh window side at the front seat, snap the headrests on both sides, hang the side straps on the side, and finally zipper up the side zippers and you're done. Feature 5: 100% waterproof, double-layer waterproof design, not only the surface has a splash-proof layer, there is also an anti-seepage layer at the bottom, truly 100% waterproof. No need to worry about dog urine or dog saliva left on it. Feature 6: Easy to clean, this pet seat covers for trucks can be folded, the whole thing can be stuffed into a laundry bag and then put into the washing machine for cleaning, very convenient. Feature 7: Anti-slip bottom, the bottom has a sturdy and wear-resistant anti-slip mesh design, no need to worry about the mat moving around, your dog can ride in the car without worry. More stable and safer.