Ultra Paws&reg; One Harness - Small(dogs 0-30 lbs) Padded through the neck and chest. Ideal for pulling in medium to light activities. Comfort fit adjusts at the neck, chest, girth and belly. Floating o-ring puts less stress in the dog's hips when pulling at an angle. Belly strap restricts dog from backing out of the harness. Measure the distance around your dog&#039;s neck for where the collar sits (refer to illustration)<br> If the dog fits into two different sizes, use the weight guide to help determine the correct size<br> Comes in three sizes: Small, Large and Huge The One Harness is padded throughout the neck and chest area to promote a comfortable fit.<br> Harness adjusts at the neck, chest, girth and belly.<br> Comes in three sizes to accommodate dogs from 15-120lbs. The harness is ideal for pulling in medium to light activities.<br> Features a floating o-ring which puts less stress on the dog&#039;s hips when pulling at an angle.<br> A belly strap prevents your dog from backing out of the harness.