Super cute Santa costume and Santa hat suit, dress up your little one as Santa Claus. Our Christmas pet costumes are made from high-quality polyester fiber. Soft, comfortable, and machine washable. The opening on Santa hat lets your pet's ear pass through, a thoughtful design! Suitable for all small dogs, puppies, and cats. Makes a perfect gift for all pet lovers. Size M - The circumference of the neck is 9 inches and the chest circumference is 12 inches.