Rainbow Unicorn Onesie Costume Kids

Our rainbow unicorn onesie costume for kids will bring a smile on your little one's faces, as they get ready to take on the world with their magical powers.


Toddler Rainbow Unicorn Onesie

Dress up your little one in a colorful Halloween unicorn onesie that offers them a beautiful design, and endless comfort. It's soft base allows your baby to stay comfortable, as they enjoy their day dress up as a magical creature.


Rainbow Pajamas or Halloween Party Costume

This beautiful unicorn onesie can be used as pajamas by teens, or as a party costume by children. Either way, the colorful onesie is here to ensure your child looks and feels amazing. Use it as a costume at a party, and later use it as pajamas at home.



  • Material: Soft and silky polyester
  • Ideal for children from 90cm to 150cm | Unisex
  • Suitable for children between 2 and 14 years old
  • Free delivery

Size Guide : 

  • 4 : 37-40" (95-105cm)
  • 6 : 40-45" (105-115cm)
  • 8 : 45-49" (115-125cm)
  • 10 : 49-53" (125-135cm)
  • 12 : 53-57" (135-145cm)