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Finally, a tumbler that actually keeps my iced coffee cold for a full workday — the lid seals tight enough that I can toss it in my bag without a single drip.

Took this to the office and my tea was still hot at 3pm, which never happens with my old mug. The lid seals tight enough that I can toss it in my bag without worrying.

Filled it with iced coffee before a morning hike and there was still ice rattling around when I got back to the car five hours later. The lid seals tight enough that it hasn't leaked in my bag yet, and the matte finish doesn't show fingerprints.