Size : Medium. Color : Neon Orange. Medium. 3/4" Width. Fits dogs similar in size to a standard Cocker Spaniel. Strap A: Adjusts 17 - 29"; Strap B: Adjusts 12 - 18 - Harnesses are adjustable around both the neck (A) and chest (B). Kwik Klip buckles allow harness to be fitted and removed quickly. These comfortable harnesses can grow with the dog. OmniPet Kwik Klip Adjustable Nylon Harnesses work great with OmniPet Leads available in nylon. leather and more."