This nylon dog harness has 5/8 inch wide straps and fits dogs similar in size to a standard Toy Poodle. Strap A: the chest strap adjusts 13 to 21 inches. Strap B: the neck strap adjusts 9 to 14 inches. Adjustable around neck and chest. The Kwik Klip buckles allow harness to be fitted or removed quickly. These comfortable harness can grow with the dog.