I have two, comes with dress and hat. Like new. Made of 100% polyester organza and tulle fabrics. Dress and hat glow in the dark. Glow-in-the-dark material needs to “charge” under bright light for approximately half an hour to glow properly. Glow lasts for approximately three to four hours. Size: 4-6 Worn once for indoor trick or treating (covid times). https://www.potterybarnkids.com/m/products/kid-glow-in-the-dark-witch-costume/