Officially licensed Super Mario Brothers adult Bowser costume kit includes headpiece with plush mouth and nose and inflatable shell "backpack". His eyebrows and "spikes" are orange felt. He has 2 white plush horns on the top of his head. It comes complete with attached black collar with silvertone soft spikes that go around the neck. The collar has a velcro clasp right below your chin. Bowser's inflatable shell comes with stretchy yellow straps, so you can easily wear your shell! The straps are secured by a velcro clasp.