There's power in pink! Supergirl is a strong role model and a super idea for a girl's Halloween costume. She is a classic DC Comic character that embodies truth, goodness and strength. Add some girl power to your little lady's day with this Supergirl Halloween costume accessory. This satin-polyester pink cape, emblazoned with white insignia, has shiny pink lining. Avoid contact with kryptonite while wearing cape! One size fits most children. Imported.