Aenmil Comfortable Pet Harnesses Dog Harness Vest Pet Dog Puppy Harness with Adjustable Sticker Closure for Small and Medium Dog Comfortable and strong - made from soft and strong sandwich mesh fabric 100% polyester Adjustable Velcro closure in the back with plastic buckle for added security Two D-hooks in the back for leash M: Chest Girth: 34cm, Chest Length: 15cm; L: Chest Girth: 38cm, Chest Length: 17cm; XL: Chest Girth: 42cm, Chest Length: 20.5cm Take your dog out for a walk in this harness, made of Canvas fabric with a lightweight and breathable sandwich mesh inner lining for comfortable wear