Nice cup, but you'd probably find the spacesaver-type from GSI or Olicamp to be more efficient due to their flat bottoms, and they probably hold more. They also go over the bottom of a Nalgene bottle.

Other than that, nice fire/cook bag.
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-IronRaven

When a man dare not speak without malice for fear of giving insult, that is when truth starts to die. Truth is the truest freedom.