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The swap between the straw and chug lids takes about two seconds, and I've tested it upside down in my bag with zero leaks. Honestly, the fact that I can switch sipping styles without carrying a second lid is the reason I reach for this every morning.

I was skeptical about the leakproof claim, but after tossing this in my bag with coffee, not a single drop escaped. The chug lid is perfect for my morning commute, and swapping to the straw piece takes just seconds.

The switchable lid is actually leakproof—I tossed it in my bag with coffee and didn't spill a drop. Being able to swap between the straw and chug top mid-day is super convenient.