Alfie Pet by Petoga Couture - Royce Step-in Harness and Leash Set Please note that this listing is for Medium size. Harness best fits pets with breast girth 15 -20 inches. Leash is 46 inches in length and 0.75 inch wide. Sizing for each dog is unique. We highly recommend you measure your pet precisely with a flexible tape measure to ensure the best fit. Contact us if you have question. We are happy to help. Harnesses are comfortable alternative to collars for small pets as they evenly distribute restraint across the chest Made of soft, lightweight and breathable material. Machine washable for easy cleaning. Comes complete with a matching leash. Feature a sturdy D-ring for easy leash attachment. Perfect for everyday walk and weekend party, or just making your pet look its best.