Sofi's Dog Car Harness Plus BONUS Connector Strap - Attaches to Vehicles Seat Belt Receptacle, Walking or Travel Harness, Strong Nylon Straps, Vest is Breathable Nylon Mesh Material LIFETIME WARRANTY: Sofis harness comes with a hassle-free Lifetime Satisfaction Warranty. If you or your dog are not happy with this product for any reason, just contact us for a complete refund. CAR HARNESS OR WALKING HARNESS: Use as a Car Safety Harness or an everyday walking harness. Use the Connector Strap with harness in the car OR attach any leash to the harness D-ring for a leisurely walk. AVOID DRIVING DISTRACTIONS : Enjoy Your Dogs Company In The Car - And Know He Is Safe. Secure your pet and rest assured that he will be safe during the ride and will not distract you. LONG LASTING: Durable military-grade nylon webbing material. The lightweight, breathable nylon mesh will keep your dog cool and comfortable as well as safe - whether in the car or on a walk. BEST SUITED FOR SMALL TO MEDIUM-LARGE DOGS: The two adjustable neck straps and the adjustable body strap allow for a snug yet comfortable fit making for a happy travelling companion. Size: X-Small harness fits necks 12"-16", chests 14"-18 ": Small harness fits necks 14"-18", chests 18"- 26" : Medium harness fits necks 16"- 22", chests 20"- 28" : Large harness fits necks 20"- 28", chests 30"- 44".