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I was skeptical a half-gallon bottle would actually stay cold, but after a full day of yard work the ice was still clinking around. The vacuum insulation is the real deal, and the straw makes it easy to chug while I'm moving.

The 64oz capacity means I only refill once during my 12-hour shifts, and the straw makes sipping easy even while driving. Ice from this morning is still clinking around at dinner time, so the insulation is no joke. Lid seals tight enough that I’ve tossed it in my bag without a single drop.

This thing actually keeps ice from the morning until I’m heading home from my shift—the vacuum insulation is no joke. The leak-proof lid lets me toss it in my gym bag without a second thought, and the handle makes the 64oz weight way more manageable than I expected.