The most convenient and innovative travel systems available! Travel kits include one harness, one Kwik-Connect Tether, one Retro-Connect Adapter, and a convenient storage bag that fits under the seat or in the glove box. Easy to Use Attaches to any vehicle with just a "push-n-click!" The simple push-button release makes it one of the easiest travel systems to put on, adjust, and remove. Durable Design Features seat belt quality buckles, latches and adjusters. Strong webbing provides durability and comfort. Comfortable for Dogs Will not choke or cinch the dog"s abdomen area. Comfortable enough to be used as a walking harness.