Perfect accessory. BREATHABLE CHEST STRAP WITH MESH STRAPS: It is made of double mesh fabric with flannel trim; it is fixed with four PP straps - breathable and sweat-absorbent for your dog’s health. Elastic seat belt: it is made of durable nylon to protect the dog, it is elastic and can be adjusted for the car. - It is fully adjustable according to the length of the seat belt that you you want to keep in the car. The included seat belt is long enough to move around in the back seat. SAFE AND COMFORTABLE: The harness wraps around the dog’s body and neck like a collar. - EASY TO USE AND REMOVE: The neck strap has four buttons to easily adapt to your dog’s clothes, suitable for small dogs (6 lbs, 15 kg), medium dogs (15 kg, 25 kg) and large kittens (25 kg, 40 kg) or medium sized cats. The seat belt is adjustable from 53cm to 74cm. Easy to attach to the hitch and trunk of the car. WIDTH AND OTHER APPLICATIONS: Easy to carry when traveling and used to prevent dogs from jumping out of