Spindrift Standard Dog Collar Size guide: XX-Small-(5/8" x 8-11"), X-Small-(5/8" x 10-14"), Small-(3/4" x 11-15"), Medium-(3/4" x 14-19"), Large-(3/4" x 18-26") Designed and manufactured in the U.S.A. by outdoor enthusiasts using climbers grade materials for optimum function, strength, and durability Tubular webbing makes this nylon collar incredibly strong Soft rounded edges are comfortable for your dog Plastic quick connect buckle is both strong and easy to use and collar is totally washable to provide years of use