MD New Soft Warm Winter Red/Pink Bow-Knot Leopard Dogs Pet Clothing Puppy Sweater XXXS: Chest girth 20 CM, Back length 12 CM XXS: Chest girth 24 CM, Back length 16 CM XS: Chest girth 28 CM, Back length 19 CM S: Chest girth 32CM, Back length 22 CM Please allow there have 2-3 cm measure error,thanks