I personally own 2 of these and when I received them,I ordered 2 more in the clear black color right away. These are exactly (In terms of initial quality,materials,and clarity of the BPA free plastic) like a nalgene "mini" (160z) and in fact,it appears to have just slightly less flex to the bottle which I like.
The pic here is of my nalgene mini (11.99) side by side with the knockoff. Ive got no complaints thus far and the only thing the nalgene has on this bottle,is the larger opening.However the opening on the knockoff is actually wider than a narrow mouth nalgene and at around $2.50 delivered,its quite a deal+ I have a kick a$$ bottle,that surely no one else on the trail will have.
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http://www.ebay.com/itm/Portable-Lea...item338d97385a