CRASH TESTED DOG CAR HARNESS: Built for car safety and comfort; dog car seatbelt and dog harness all in one; integrates directly with car seatbelt system. LIGHTWEIGHT and INTEGRATES WITH CAR SEATBELT SYSTEM: Weighs less than 0.45 kg and integrates directly with car seat belt system. EXTRA PROTECTION: Dog harness extra large has broad, padded chest plate and all-steel nesting buckle system for extra protection and safety SIZING and FIT: Size Large is suitable for dogs up to 23-34 kg; with 46-76 cm neck, 61-86 cm chest; highly recommend measuring dog before purchase- see size chart to the left for further details LIFETIME WARRANTY: Product comes with hassle-free Kurgo Lifetime Warranty against manufacturer defects when purchased new from authorised dealer