Made of high density nylon fabric to ensure safety, features the solid alloy swivel snap and buckles guarantee extra durability. These dog seatbelts are designed with headrest restraint. It can be used on all types of Vehicles with headrests. The strap circle which hanging on the headrest is connected by a lockable quick release buckle. The lockable buckle prevents the circle from opening and ensures your pet safe. Adjusting the dog car harness to max length and griping the strap circle to use it as a general leash.