• 100% Polyester
• One size fits all kids Adult, contain a matching cap
  
• Requires 4 AA batteries, batteries are not included, it must be 4 AA batteries or it will not be powerful enough to fully inflate the costume
• Fan inflates the costumes in seconds, please clip the battery pack on belt, don't ever put it in your pocket, or the device will overheat and burn your leg
• Please tighten the outer ring in place to hold the fan before putting on the costume, otherwise, loose outer ring can cause the fan to fall off during moving
• There are elastic band on the wrists, ankles and neckline to keep the costume inflated for a long time