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Product Description
Once you get a vacuum-insulated mug, you never go back. Featuring a vacuum-sealed construction with ceramic coating, these mugs will keep your beverages hot or cold for up to 12 hours Read More
Excellent thermos, but inside coating catastrophically failed after 18 months of service
Update: inside coating catastrophically failed after about 18 months of service. When I say 'catastrophically' I mean that just shaking it up half-filled with water results in a lot of scary looking flakes in the bottom of the cup, some looking like black tea flakes, and a lot being tiny particles suspended in water. I am afraid to think how much of coating I already consumed before I noticed the issue. Before I am accused of storing tomato juice in my thermos, nothing of a kind, I actually mostly use it to store hot water on my desk, so that I can add it to the tea in my cup. Used it for coffee/tea itself during first couple months of ownership, then mostly just hot water. Never dishwashered, of course, never cleaned with coarse brush (no need, since again it was mostly used for just hot water). Coating is just falling off now, and I will stop using it since it is unsafe. Ironically enough, outside coating is still absolutely perfect, not a single blemish on it.
It could be that if one were to store only icy water in it, coating might have lasted longer (no way for me to know, since I never used it for anything iced). But as it is, looks like it is unable to withstand stress of being repeatedly heated up with boiling water. As for me... I see 1.5 years of service as low, and derive no pleasure from consuming ceramic coating.
I think I will stick with Zojirushi and stainless from now on...
Original review:
Twist-top is perfect all around thermos, keeps my herbal tea hot even 7 hours after making it (if left full, do not expect same heat-retaining ability for last couple sips). Wide mouth makes it easy to steep tea-bags right in the thermos - very convenient for herbal teas (would likely result in over-extraction of actual 'tea-leaf' tea unless closely monitored). Not a one-handed device for driving, but it is not supposed to be, and I like it that way. You could leave top untwisted while driving, it still keeps drink hot for long time (too long actually, it is difficult to cool off the drink if it is too hot), but is not spill-proof that way. Overall, feels very similar to my (smaller) Zojirushi twist-top, and I love those waves on the top of the thermos suggesting shape of the traditional Japanese tea-cup, and they also improve the 'grip'. Also, 'pearl white' is a very nice and attractive color, and is anything but plain.
Ordered The flip-top model. Great while driving (My Job) since you can use it with one hand. Keeps drinks warm (Even too hot for a while) for multiple hours.
I used the Thermos for the last 8 months almost every day and it has as been an asset to my life. It keeps things hot and has a simple design.
Would recommend to anyone.