Upgrade your pet's road trip experience with our X-Large Dog Car Seat Bolster. Provide comfort, safety, and car seat protection while on the road. The waterproof and durable fabric safeguards your car's seat from your dog's adventures. Compared to regular dog car seat covers, we've added extra comfort with cotton filling and a bolstered pillow design. The extra-large size provides full coverage for various dog sizes. We're also including a complimentary adjustable dog car seat belt for enhanced safety.