??Product Size?: Kids inflatable dinosaur costume: 48" for 4-6Y Kids, 3.7-4.1ft/45-49.2inch, 55" for 7-10Y Kids, 4.2-4.9ft/ 51.2-59inch ?Premium Quality?: The Halloween inflatable costume for adults is made of high strength waterproof polyester which is against rips and tears. Lightweight, firmly and reusable, put on and have fun with family and friends now ?Installation & Precautions?: Air Pump Requires Portable Power Bank or 4 AA Batteries. (Batteries NOT INCLUDED) In order to prevent the potential threat of overheating of battery, the battery Pack must be placed in the built-in battery pocket ?Occasions?: Perfect for Halloween Dress-ups, Halloween Costume Party, Halloween Night Event, Halloween Trick or Treat Events. This dinosaur inflatable costume adult will add lots of fun and make you the most dazzling and attractive presence in the Halloween party