Size: M, cotton vest, medium small animal cold vest. Top material: made of cotton, very soft, keep your dog warm and comfortable in autumn and winter. Occasion: suitable for wearing this jacket in the weather around 10 degrees Celsius, suitable for daily wear and outdoor walking and playing. Humanized design: there are buttons on the chest, easy put on and take off, suitable for puppies of medium dogs such as Chihuahua, Yorkie, Poodle, Teddy, Corgi, Pomeranian, etc. Machine washable: easy to store and clean. Please measure your pet carefully to get the correct size. If your pet is physically strong, you’d better choose a larger size to give your pet some room for comfort. Size M, back length 25cm, bust 37cm, neck 26cm, suitable for dogs weighing 4-6 catties.