This material is Open Game Content, and is licensed for public use under the terms of the Open Game License v1.0a.
This silvery-gray cloak seems to absorb light rather than be illuminated by it. On command, the cloak makes its wearer ethereal (as the ethereal jaunt spell). The effect is dismissible. The cloak works for a total of up to 10 minutes per day. This duration need not be continuous.