One size fits most adults. Perfect for Halloween, a stag do or a hen party. Easy and simple one piece slip on. Fan inflates costume in seconds & lasts up to 7 hours. Requires 4 x AA batteries (not included). Finally, you are the King or Queen you were always meant to be. Take it back to ancient Egypt this Halloween and rule over your friend's costumes! This illusion costume is bound to earn you some seriously well deserved drinks! Suit up with our blow up outfit!