First point: If you want to quickly fit your dog into well-fitting dog vests, you must measure their chest girth, not just rely on suggested weights; this is a serious mistake. Service Dog Vest: This service dog vest kit comes with a service dog vest, service dog patches and service dog tag, collar tag, and service dog information cards. It includes everything you need to safely use a service dog. Service Dog Harness: This service dog harness is specially designed for service dogs and can meet the needs of service dogs of different sizes. It can be evenly distributed on the service dog's body to, ensuring that your service dog performs tasks in this best condition. Service Animal Vest for Dogs: This service animal vest for dogs are equipped with reflective webbing to enhance visibility in low light conditions to ensure the safety of both the owner and the service dog. This sturdy D-rings on the service animal vest for dogs allows for easy attachment of your leash or additional accessory handle making it perfect for all activities. Service Animal Vest: This handle of this service animal vest is made of breathable and lightweight woven polyester and nylon material, which has this functions of sweat absorption, anti-slip and strong control. Whether in outdoor activities or in crowded and narrow spaces, this handle can effectively control your service dog. Service Dog Vest Medium: This service dog vest medium not only allows your service dog to accompany you on daily walks and outdoor activities, but can also be your service dog training course equipment, so that your service dog can reach this best condition.