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I’ve been using this for a week now, and the 50oz size means I only fill it twice a day for the gym and work. The straw lid is a nice touch, and I haven’t had a single drip in my bag, even when it’s tossed around. It’s genuinely leak-resistant, which is more than I can say for other tumblers I’ve tr

The double-wall insulation actually kept my iced coffee cold through a full workday, which is impressive. I also appreciate the straw lid—no leaks even when I tossed it in my bag.

Carrying this 50oz beauty around means I'm finally drinking enough water without running to the tap every hour. The double-wall insulation kept my iced coffee cold through an entire afternoon meeting, and the straw lid didn’t leak a drop in my bag.