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The tapered bottom actually fits my car's cupholder, which my old straight-sided tumbler never did. Handle makes it easy to grab one-handed while I'm driving, and the lid hasn't leaked in my bag yet.

The handle makes this so much easier to carry on morning walks, and I love that it came with two straws so I didn't have to buy extras. Ice stayed solid through a whole afternoon in the sun, no sweating on the outside either.

The tapered base fits my car's cupholder perfectly, which my old straight-sided tumbler never did. Ice stayed solid through a whole afternoon of errands, and I like that it came with two straws so I can swap in the clear one when I want to see how much is left.