This Dog Costume is designed to fulfill small pet dog's costume desire, especially for some official occassions, eg. prom / party / dinner / carnival, a well-dressed pet dog can be the focus of the event. This Coat is casual and pratical as a all season sweater, size recommended for small & medium dogs, made from fine cotton material which is soft, warm, breathable and eco-friendly, moreover, the coat is easy to wash and get dry, water machine available. Size Chart Size S - Bust 35cm / Back 25cm / Neck Circumference 24.5cm Size M - Bust 40cm / Back 28.5cm / Neck Circumference 28cm Size L - Bust 45cm / Back 32cm / Neck Circumference 31cm Size XL - Bust 51cm / Back 36.5cm / Neck Circumference 34cm Size XXL - Bust 57cm / Back 41cm / Neck Circumference 38.5cm ** Certain size margin should be allowed if the pet is hairy or fluffy.