Unique funny and clever–if those are the words you want to describe your Halloween costume then this inflatable costume is for you! The top half of the costume self-inflates with a fan into a shark that has legs with flippers hanging out of the mouth. The battery operated fan and is kept in a small pocket so costume stays inflated with ease. Perfect costume for Halloween or birthday parties! Fan operates on 4 AA batteries not included. Add your own pants and boots to complete the look. One size fits most men from size 34-48.