Get ready to be the star of the party with this hilarious inflatable T-Rex costume! It's a full jumpsuit that turns you into a bony, winged dinosaur skeleton as soon as you turn it on. The costume comes with a built-in battery-operated fan (batteries not included – you'll need 4 AA) that inflates it in seconds, so you stay nice and puffy the whole time. It's made from durable, waterproof polyester. The sizing is 'one size fits most,' designed for kids or teens roughly between 3.9 and 4.9 feet tall (47 to 59 inches). Perfect for Halloween, costume parties, themed events, or just for some epic goofing around. It's guaranteed to get laughs and make you the most memorable person there. The package includes the costume, the fan, and the battery box. Just pop in the batteries, zip up, and switch it on for instant dinosaur fun! A total crowd-pleaser.