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This lid actually seals tightly enough that I can toss the tumbler in my bag without worrying about spills. The included clear straw is a nice bonus too, and the handle makes it easy to carry.

The tapered shape is perfect for my car’s cupholder, and the handle makes it so easy to grab while I’m walking the dog. I love that it came with two straws, one clear and one color-matched, so I always have a backup. No sweat on the outside, even after a long hike.

The tapered shape fits perfectly in my car's cup holder, and the handle makes it easy to carry. The included straws are a nice touch, though I wish the lid was completely spill-proof instead of just leak-resistant.