Carter's Baby Girl Unicorn Halloween Costume 3-6 Months (Body Only) Adorable unicorn Halloween costume by Carter’s, size 3-6 months. Soft, plush, and cozy — perfect for your little one's first Halloween! Please note: This listing is for the costume body only. Leggings and any other accessories are not included. Gently used and in great condition. Zips up easily for quick changes. Perfect for photos, trick-or-treating, or a cute costume party.