The Tractive Dog Collar is specifically made for the usage in connection with the Tractive GPS Pet Tracking device. A "low load ring" guarantees strain relief under high pressure. To prevent of unsolicited openings of the buckle, a special safety interlock is integrated as well. The 20 millimetres wide Tractive Dog Collar is length adjustable and can be adjusted to a length between 30 and 50 centimeters.