- Spacious back seat cover that adds about 40% more room for your dog to sit, lie, and relax on long trips with a size of 52.3" x 24.6". Ideal for large breeds or multiple dogs, keeping them secure and comfortable. - 8-layer premium construction with PE foam and a loading-bearing plate provides strong, long-lasting support. The heavy-duty design holds up to 400 lbs and helps maintain a stable surface, even for senior pets that need extra joint support. - Safety-focused fit with a non-slip bottom and secure attachments prevents shifting during driving. Fills seat gaps to stop paws or legs from slipping through, reducing anxiety for you and your dog. - All-round protection for your vehicle with a waterproof, scratch-resistant surface that shield seats from mud, spills, dirt, and pet hair. Easy to wipe clean to keep your car interior looking fresh. - Use scenarios: - Long family road trip with a single large dog, keeping the back seat comfortable and the interior clean. - Travel with two dogs, where extra space and secure fit reduce crowding and movement. - Everyday use for an elderly dog that benefits from a stable, supported surface during rides.