Chest circumference: 45cm when laid flat, measured from end to end Diameter of front leg openings: 9cm Lead length: 100cm *Please allow for some minor errors. There are scratches on the front and back chest areas, please check the photos. This harness is easy to put on and take off with Velcro, making it suitable for first-time users or for trying out. A collar (new and unused) that came as a bonus at the time of purchase will also be included. Please understand that this is a used item.