Dragon Hat - Rainbow Dragon Hat - Costume Hat - Dragon Tail - Dragon Costume by Funny Party Hats Adult size hat, 21 inches long tail. Hat circumference is 23 inches. This unique hat is the perfect addition for costumes, parades and sporting events. This is a cool soft spiked dragon hat with a long tail. Soft hat, it is made from 100% polyester. Great for Halloween, Costume Party or any night out on the town.