Rubie's Costume Co Dark Avenger Costume, Medium Black robe with over-drape and hidden face mask with eerie lighted eyes Under black mesh that covers entire face, a clear mask covers forehead and eyes On/off switch on mask turns on red lights for eerie effect; long-lasting, non-replaceable button cell battery included NOTE: Costumes are sized differently than apparel, important to review the Rubie's Child Size Chart to make the best choice for your child Whether you're looking for scary or fun, Rubie's has the costume your child wants