The PetSafe Sure-Fit Harness is adjustable at 5 points to give the best possible fit for every dog. For superior comfort, durable nylon straps place pressure on the breastbone rather than the base of the throat. Plus, it features a simple easy-on, easy-off design with two quick-snap buckles.
Harness Sizing ChartSize Pet Size Sample Breeds Extra Small 15-21 inches Jack Russell, Miniature Poodle, Sheltie Small 18-22 inches Boston Terrier, Beagle, Pug Medium 22-30 inches Border Collie, Springer Spaniel, American Staffordshire Terrier Large 28-42 inches German Shepherd, Greyhound, Labrador Retriever