There's no doing it half way during game play, why should your costume be any different. Up your look with this Halo Master Chief Light Up Deluxe Helmet. Includes 1 helmet. This is an officially licensed Halo product. Never step into battle without your Halo Master Chief Adult Light Up Deluxe Helmet! This officially licensed replica depicts Master Chief's classic green helmet in high quality and durable PVC plastic. The gold visor is unquestionably iconic, while the LEDS on either side of the helmet add massive amounts of functionality and realism! Goes great with any of our other Halo 5 accessories and costumes, like the Needler or Energy Sword! Order yours now and remember to shop the rest of Costume Supercenter's awesome collection for all your Halo 5 Halloween and Cosplay needs! Halo Master Chief Adult Light Up Deluxe Helmet One Size