When you include shipping this is the same price as on Amazon, but the Amazons don’t seem to like it so much…
Woot is offering a 2-pack
“Why Aluminum?
…
•When you use a stainless steel bottle, your water remains free of unhealthy plastic residues”
Not to nitpick, but shouldn’t that say “when you use a aluminum bottle…”?
Do they have any that add that special “just from the hot garden hose” flavor? Some of us are spoiled to that from youth. 
Are the blue bottles really made of metal? Why does the image make them look like translucent blue plastic? Appears the straws can be seen through the side.
Transparent aluminum, just like on Star Trek.
I’ve had the Tree of Life bottle for a couple of years now. Very early the ink from the tree print started coming off on my hands. It was as if the ink hadn’t been cured or something.
Maybe I just got a bad one, but I thought I’d chime in.
Did some research and came across these articles: (buyers be aware)
thank you, new member, for posting those links.
i can’t find anything recent containing the same claims or connected to this matter; that might be helpful in painting a more complete picture.