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The lid fits so snugly that I can sip my iced coffee without a single drip, and the double-wall keeps it cold for ages. Honestly, I've been using it for hot tea in the mornings too, and the outside stays cool to the touch. It's become my go-to cup for everything.

Double-walled stainless steel really works — my coffee stays hot through a long meeting, and the same cup keeps iced tea cold all afternoon. The sip lid clicks on securely and makes it easy to drink while walking.

The ice cubes are still solid after an hour in the sun, and the double-wall keeps my hand cool even with boiling coffee inside. The lid fits snugly enough that I can toss it in my bag without a leak. Honestly, this is the only cup I reach for now.