Dogit Adjustable Harness, 1-Inch width by Neck 20 by 30-Inch, Chest: 28 by 39-Inch, Large, Bones, Black Dog harness designed for dogs with neck size of 20-30-inch around by chest size of 28-39-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 Large; Black, Bones design