Wiz BBQT Canvas Mesh Leopard Print Dog Cat Pet Vest Harness and Matching Nylon Leash Set for Small Dogs Cats Size M: The harness fits pets with CHEST GIRTH from 11.8" to 19.7". The harness is about 6.5" in back length and 7.8" in width. The leash is about 51" in length and 0.4" in width. Please measure the size of your "baby" and choose the best size for your "baby". Please send a message to us if you have any question. We are happy to help. This well-designed pet harness and leash set is perfect for daily walking, party or some other occasions. And it will make your "baby" more handsome and stay safe. Made of soft, comfortable, breathable and lightweight canvas and mesh. Easy to wash. Bonus Wiz BBQT tape: help to record the growing of your "baby".