Both versions include Stanley's coveted double-wall vacuum insulation, which keeps your drink cool for up to 11 hours. Plus, ...

Stanley fans, get ready to swoon — your favorite hydration brand just dropped a stunning new collection of tumblers, and the ...

And that's the Stanley. To get a full 40 ounces with the Hydro Flask, you have to fill it up basically to the top of the tumbler, which makes it impossible to put the lid on without spilling a ...