Fits medium size dog with chest measurement of 30-33 inches- brittany and beagle small size german shorthair and similar. Considered by many dog owners to be the finest product available today. Double velcro closure extremely durable components double stitching and american craftsmanship ensure lasting performance. Genuine 3m reflective striping for high visibility in all light conditions. Made from durable 10 mile cloth. Made in the usa