Child Alien Onesie


This green alien costume is out of this world and perfect for party-goers looking for an extra-terrestrial outfit! The hooded all in one costume features an eerie alien face and antennae.


Come in peace to your Halloween Party with our Little Martian Child Alien Onesie Costume.

Outfit includes:

  • Jumpsuit

Our Friendly Alien Onesie Costume features an Easy to Wear All in One Green Jumpsuit with a White Zip Up the Centre and Full Feet attached. The  Outfit also includes attached Antlers. The Onesie is complete with the attached Hood with Ears and Face.

Costume Sizes Available:

Size Age Chest Waist Length
Medium 7 – 9 years 27″ – 28.5″ 23.5 – 24.5″ 50”
Large 10 – 12 years 30″ – 31.5″ 25.5 – 26.5″ 57”

Additional information






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