The wing ring is a companion ring to the Caterpillar Ring http://www.shapeways.com/model/1163142/caterpillar-metamorphosis-ring. Wear both together in different tones to turn your caterpillar into a beautiful butterfly. or wear them separately because sometimes you just need wings.
The first half of the Metamorphosis set features an adorable little caterpillar that can be worn alone or with his companion wing ring. Add the wing ring in a different finish to transform him into a beautiful butterfly! Note that this sale is for the CATERPILLAR ONLY. To get your wings, please go to: http://www.shapeways.com/model/1163145/wing-metamorphosis-ring