LIFETIME WARRANTY-Professional team guarantee : This product has a comprehensive team after-sales service, ensuring that all purchased products have a LIFETIME WARRANTY. Size Selection : Before you choose this cat car harness, you need to measure your cat's CHEST and NECK. It is also important to measure the cat's WEIGHT. Combine these three values to choose a cat harness that is suitable for your cat. Cat Car Harness : Equipped with an adaptable car seat belt insert, your curiouscan freely explore the driving without disturbing the driving, and do not have to worry aboutbehaviors such as jumping out of the window. Four-Buckle Fastening : This upgraded cat carrier has four adjustable buckles to increase the adaptability of the head and chest, and at the same time, you can change the fulcrum that holds the cat at will, tighten the chest or head tothe cat from breaking free. Comfortable