New Spirit Halloween Inflatable Wavy Arms Green Alien One Size Fits Most Child’s Costume! This item comes new, in its original packaging, and has never been opened or used before. This is a new costume from Spirit Halloween. It is the green colored Inflatable Wavy Arms Alien and comes in a One Size Fits Most Child Size. This package includes: inflatable costume, battery operated fan, and belt clip battery pack. (Batteries are not included) This costume sells in stores for a retail value of $45+.