This dog harness has 1 inch wide straps and fits dogs similar in size to a Standard German Shepherd. The chest strap adjusts from 22 inches to 38 inches. The neck strap adjusts from 16 inches to 26 inches. This harness is adjustable around neck and chest. The Kwik Klip buckles allow harness to be fitted or removed quickly. These comfortable harness can grow with the dog.