Impossible, right? It's decorated with a foam fins, tail, and silvery horn.. Blue Narwhal costume Hat The inside of the hat hides a size adjustment band and a secret pocket for money or other small items. Product DetailsThere's no such thing as being too cute, as this exclusive Narwhal Quirky Kawaii Costume Hat proves! Cuteness OverloadWe can all agree that unicorns are pretty freaking adorable.