Originally Posted By: AyersTG
Why do you think that? They have the same size mouth/cap as a Nalgene and less/no shoulder. Actually, should be easier to clean.

I should have been more specific. It's not that the bottle would be harder to clean, but with the straw setup there would be more parts to clean, and I've cleaned enough kid cups to know I don't want to clean any more straws ;-)
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