Ownpets Adjustable Pet Seat Safety Belt Heavy Duty Hardware including Tangle-Free Swivel Attachment, Carabiner and Latch Bar Attachment Durable: As the harness attachment, the OWNPETS safety pet seatbelt uses an easy to grasp, durable, carabiner that allows for a quick release in case of an emergency. Adjustable & Comfortable: Easy adjustable tri-glide attachment can extend from 16 inches to 26 inches allowing for more or less freedom based on the size of your dog. Safety: Keeps your dog in the backseat and prevents distracted driving. Convenience: Attaches and releases just like a normal seat belt making it easy and quick to use. Wide Usage: Universal fit for most vehicles (not compatible with Volvo).