ZeroTone Cotton Dog Coat Suitable for Small to Medium Dog Puppy Cat, Horn Buckles Dog Windbreaker Pet Winter Clothes Grey/Black XS-XXXL Size M, back: 11.8", chest: 17.7", neck: 11.8". (pls refer to the size chart in the picture before placing the order) Fabric: made of high-quality cotton, warm, soft and comfortable. Lapel jacket, back with 2 pockets and 2 decorative horn buckles, stylish Korean style! easy snaps closure and machine washable, easy to put on and clean. Both fit for spring, automn, winter.