Kids' Medusa Halloween Costume Dress (no Accessories) Small - Hyde & EEK! Transtorm her into a mysterious mythical character with a look that's sure to be a hit this Halloween season with this Medusa Halloween Costume Dress from Hyde & EEK! Boutique. Crafted from soft and lightweight fabric for comfy wear and a fun drape, this shiny Halloween costume dress features a stylish design on the neckline and built-in belted waist for a gorgeous look. Size kids Small