RC Pet Products Canine Equipment Technika 1-Inch Step In Dog Harness, Medium, 16 to 24-Inch Three adjustment points at the shoulder, girth and breast plate to ensure the perfect fit Made from ultra soft climbing grade tubular webbing that has no exposed edges Quick and easy to put on and take off Stainless steel o-rings and D-rings Size medium measurements: width  1-inch, girth- 16 to 24-inch