This stainless steel bottle keeps drinks cold and often comes in a two-pack — a budget-friendly bonus. Having two makes it easy to rotate bottles every other day, which cuts down on nightly scrubbing. Plus, ThermoFlask sells interchangeable caps, so you can swap out the straw top for another style if it works better for your kid.
When to skip it
The straw doesn’t have a cover, which means curious little fingers (or whatever else is around) can touch the part your child drinks from. If germ-control is top of mind, you may prefer something with a protective lid.
Pro tip
Check the silicone ring around the lid — there’s a small tab that lets you pull it off for a thorough clean. It’s the best way to keep hidden spots fresh and mold-free.
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