XXS: Back length 18-20 cm. Chest circumference 26-28 cm. The fabric of the Chihuahua clothing is very soft, resistant, solid, it is an ideal dog coat. The dog jackets are closed with buttons ,easy to put on and take off, won’t pinch the dog’s hair; there is a harness hole under the hat to connect the dog’s leash. This dog clothes is close-fitting and comfortable, dog clothes fabric has good warmth, will not prevent the dog to move. Maintenance: Machine washable at 30°C.