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Not worth the cost. I bought this to keep drinks cold hoping it would work as well as some of the expensive hydro flasks on the market. Not even close! Ice melts in this almost as quick as the plastic Camelback bottles. I’ve used bottles that keep ice all day in direct sunlight, this bottle won’t even keep ice if left in the refrigerator (which I have done). I now use it solely for the gym which was not at all my intention. Complete waste of money that I would have returned but I dropped and dented it, so now it’s mine. Only good thing about this bottle is the look and the opening, both are good. There are much better products out there, I’d look elsewhere.