Dogit Adjustable Harness, 3/4-Inch by Neck: 16 by 23-Inch by Chest: 20 by 28-Inch, Medium, Bones, Black Dog harness designed for dogs with neck size of 16-23-inch around by chest size of 20-28-inch around Simple step in harness Ability to custom fit the size of your dog with adjustment sliders Keeps your dog secure while on walks Medium; Black, Bones design