Hydro Flask, the brand that brought us durable ... At just 6.7 ounces, this tiny yet functional bottle is shaking up “hydration nation” with its pocket-size cuteness. A departure from the ...

the tumblers cannot just shake off when attached. The bottom tumbler was hard to pull off; like really, difficult. In fact, I pulled the magnet off the bottom of the flask, and it is stuck inside ...