Disney's Frozen Olaf Toddler Deluxe Halloween Costume 4-6 Years $21 @ Target
Save an extra 5% and get free shipping with Target's REDcard ($19.93 + FS).
Description: The Disney's Frozen Olaf Toddler Deluxe Costume 4-6 Years brings a favorite character to life.
This costume has three pieces, the headpiece, tunic and jumpsuit, so you have all you need for the complete look.
Also at Amazon, $22.35 with free shipping for Prime members (or free shipping with $49+ orders):
Looks like an easy, no-hassle costume for Halloween. Hope this helps someone.