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Portal 2 Original Companion Cube Key Chain
Carry Aperture Science with you!
Key chain from the Portal game series.
Don't let the Companion Cube get destroyed!
This clever key chain based on the acclaimed Portal video game series by Valve features your friend, the weighted companion cube. You don't want your friend getting destroyed, so protect it by putting your buddy on your keys. Buy yourself this excellent Portal 2 Original Companion Cube Key Chain and carry a part of Aperture Science with you!