Deluxe Version of Inflatable Ostrich Dress Costume. Adult Size. One Size Fits All. Made with 100% Fire Resistant Polyester. Package Includes Inflatable Ostrich Pants, Battery-operated Air Pump, and Explorer’s Hat. Air Pump Requires 4 AA Batteries. (Batteries not Included) Perfect for Halloween Dress-ups, Halloween Costume Party, Halloween Night Event. Use the Pocket Located Inside the Costume’s Legs to Safely Store the Battery Pack. DO NOT put Battery Pack in Your Own Pocket Otherwise It Gets Overheated. Adjust the Direction of the Fan and Tighten the Drawstrings for the Best Inflating Performance. MONEY BACK GUARANTEE- "Contact Seller" and we will refund you or ship you a replacement if the one you received fail to work in 90 days.