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I've been using this tumbler daily for two weeks now and the double-wall insulation really holds up—ice cubes are still there after a full workday. The flip lid clicks shut securely enough that I can toss it in my bag without worrying about spills.

Finally a tumbler that doesn't sweat all over my desk while I sip iced coffee through the straw lid all afternoon. The double-wall insulation really does keep it cold for hours, and the flip lid snaps shut tight enough that I've tossed it in my bag without a single leak.

I've been using this tumbler every morning for two weeks now, and the double-wall insulation honestly keeps my coffee hot way longer than my old ceramic mug ever did. The straw lid clicks on securely, and I've tossed it in my bag without a single drop escaping. Worth every penny for the sweat-free e