NAC&ZAC 2 Pack Adjustable Pet Seat Belt, Car Safety Harness for Pets Hassle-free seatbelt clip, easy to install. Adjustable length from 16" to 27", 1" width, fits both large and small dogs. Universal fit for all pet harnesses. Made from high quality and durable nylon fabric. Allows your pet to sit, lie down, or stand comfortably while driving.