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I was skeptical about a double-walled cup keeping my coffee hot all morning, but this one actually does the trick. The secure lid slides shut easily with one thumb, even when I’m driving, and the stainless body doesn’t sweat or burn my hands.

The sliding lid is the thing I keep appreciating—one thumb and it's open for a sip, closed when I set it down, no spills so far. My coffee stays properly hot through a whole morning of meetings, which is more than I can say for any other cup I've used.

I'm on my second cup right now and it's still steaming hot after an hour of sitting on my desk, which never happened with my old ceramic mug. The double-wall stainless build really does its job, and the secure lid gives me peace of mind when I toss it in my bag.