Brand new, never used Wild One Dog harness in Liliac Size small See dimensions below from Wild One site. Although my puppy fell within the measurements for neck and chest, her head couldn't fit through the neck opening so please your dog's head size into account if you are considering purchasing. From Wild One site: Soft, stretchy, and resilient. This cushioned, lightweight dog harness has three attachment points to suit different walk styles. Plus, adjustable straps at the neck, chest, and back accommodate different sizes, and make it a breeze for pet parents to slip it on and off. Materials Soft stretch poly base, woven nylon straps, and coated carbon steel D-rings Product Dimensions & Specs Harness Without Neck Buckle: S: Neck = 10"-14", Chest = 14"-22"