Harnesses give smaller dogs a sense of security as they walk, skitter, and prance along city sidewalks and through leafy parks. Sturdy cotton webbing harness. Snaps closed with a lightweight durable plastic fastener. leather GEORGE logo patch. small size (1/2" cotton webbing) suits dogs measuring between 12" and 17" in girth (approximately 8 to 12 lbs.); large (3/4" cotton webbing) is most fitting for those measuring between 17" and 23" (approximately 13 to 20 lbs.).