Size M Pink It is very suitable; for end of year holidays, Christmas, Halloween and animal holidays. Even in cold winter weather, it is suitable for small dogs, boys or girls to wear warm and comfortable clothes. Size XS: 30cm / 11.8inch (circumference: bust ); Size S: 36 cm / 14.17 inches (chest circumference); 25cm / 9.84inch (back length); 24 / 9.45 (neck length). Code M: 40cm (chest circumference); 30cm (back length); 27 / 10.63 (neck length). Size L: 45cm / 17.72inch (circumference: bust); 35cm / 13.78inch (back length); 30 / 11.81 (neck length). Code XL: 50cm (chest circumference); 40cm (back length); 33 / 12.99 (neck length). Code XXL: 55cm (chest size); 45cm (back length); 36 / 14.17 (neck length).