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Took this on a 5-hour drive and it slid into my cupholder without any wobble, which my last tumbler never did. The handle actually makes it easy to grab one-handed. Lid hasn't leaked in my bag yet either.

Two straws included is such a small thing but it's the reason I keep reaching for this one over my other cups. The lid hasn't leaked once in my bag, and it still fits my car's cupholder, which my last tumbler never did.

The tapered base actually slides into my car's cupholder without wobbling, and the handle makes it easy to grab one-handed while I'm driving. Ice from my morning coffee was still rattling around at lunch, so the insulation clearly does its job.