Welcome to KOOY Store, where you can buy high quality goods at the best price and enjoy our best service. We have hundreds of styles for your choice, and wish you a happy shopping. Features: Funny Riding On costume, bring attention & laughter for you. Water-proof polyester, hand washable and easy to clean. Quick to inflate with air pump, powered by 4 * 1.5V AA battery(not Included). Freely walk/move to everywhere, without any hinder. Perfect to use at: Halloween/Xmas celebration, party, fancy dress, carnival, cosplay etc. Size: L: Suitable for ADULT150-190 CM tall (5-6.2ft/59-74inch) to wear. Installation instructions: 1: Use a screwdriver to unscrew the screw in the battery pack, put in 4 AA batteries in battery pack, then fix the cover . 2: unscrew outer fan ring counterclockwise ,screw outer fan ring back into place to secure fan to costume ( usually, the fan is installed in costume, you can pass this step ). 3: plug in power cord from battery-pack to fan. 4:step into costume and clip battery pack to your own clothing. Move battery-pack switch to ON position. It wil take about some minutes for air inflating. with our strong power blower fan, you don’t need to wait too long . 5: Finishing! Inflatable costume has been inflated enough, you can walk now. CONGRATULATIONS! You're ready to rock the best costume of the year at your next event, you're going to be what everyone is talking about and be the life of the party. Notice: Battery operated fan inflates costume in seconds, please do not put it in a pocket for a long time to prevent the equipment from overheating to burn the leg.