The Comfort Wrap, step-in style harness is super easy to get on and off your pet! Featuring 1" nylon that has been specially processed to prevent fraying and increase strength this harness adjusts from 26" up to 40" and is suitable for average/medium size dogs. To put this style of harness on your dog, open the harness and lay it flat. Assist the dog to step into the harness, pull up around the body, and buckle. Use slide adjustments for final fitting.