Product name: Dog Car Seat Belt. Contains: 2 Dog Seat Belt. Usage: It's no secret that dogs are prone to accidents if they are not restrained in a car. Our dog car seat belts are designed for just that. Dog car seat belts keep your dog better in the seat and prevent your dog from jumping out of the window or into the driver's seat. Using our dog seat belt, you can drive the car more attentively and safely, and enjoy the joy of car travel with your dog. Applicable: More suitable for Dogs Under 55lb. Issues that everyone is concerned about: 1) May I ask if the length of the Dog Car Seat Belt can be adjusted? Answer: Yes, The length of the dog seat belt is adjustable from 15.7 to 27.5 inches, so you can choose the right length for your dog to sit, stand or lie down comfortably in the car. 2) Is it compatible with my car? Answer: This car seat belt Buckle is designed as a 0.78" wide that fits into most vehicle seat belt sockets. 3) Is this safe for bigger dogs? Answer: We do not recommend using this Dog Car Seat Belt for large dogs. Its acceptable range: dogs Under 55lb. 4) Does it work for cats? Answer: Yes, cats can also work. 5) Has this undergone collision testing? Answer: Yes, our seat belt has passed a lot of simulation tests and it works very well.[WIDE AND FURTHER APPLICATION]:This dog car seat belt can be used as an in-car seat belt to prevent dogs from jumping out of the window while driving. Dog harnesses can be easily resized for maximum comfort, making our product suitable for small, medium-sized pet dogs and even cats. [DURABLE AND STURDY]:This dog car harness is made of the latest nylon fabric to ensure your pet's safety and comfort. Metal fittings are made of solid zinc alloy. [ADJUSTABLE LENGTH]:The length of the dog seat belt is adjustable from 15.7 to 27.5 inches, so you can choose the right length for your dog to sit, stand or lie down comfortably in the car. [EASY TO USE]:This dog car seat belt is very simple to operate, you only need to easily insert the seat belt into the seat belt buckle of the car passenger seat. [DRIVE SAFELY WITH YOUR DOG]:This dog car seat belt keeps your pet restrained in the seat while you focus on driving. The adjustable belt allows your dog to sit, stand or lie down comfortably and prevents your dog from lunging into the driver's seat. Suitable for small and medium-sized pet dogs under 25KG 55lb.