Klean Kanteen Double Wall Vacuum Insulated Stainless Steel Tumbler Cup with Tumbler Lid
- Double Wall Vacuum Insulation, Keeps Hot up to 4 Hours, Keeps Iced up to 20 Hours
- Food Grade 18/8 Stainless Steel Construction
- Comes with Tumbler Lid, Size:6.2 inch H x 3.5 inch W
- Large 3.08 inch (78 millimeter) opening fits ice, easy to drink from; Compatible with all Klean Kanteen Pint and Tumbler lids
- Backed by the Klean Kanteen Strong as Steel Guarantee
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This stainless steel version will not suffer the same issue, and I’m sure I’ll still be using this cup for the next decade or so.
It’s fantastic. It insulates my coffee well, and its not too big, and certainly not tall and narrow like some other reusable coffee cups. The top lid doesn’t seal, so I only use it at the office for my Aeropress coffees that I make at work, or for coffees I buy at the nearby cafe. You can’t really carry the cup in a bag or backpack around town because the lid doesn’t seal, but it’s perfect for home or office situations.
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I have had this product several months now and feel I need to update my review. Originally, I gave this product a five star rating. I loved it. It kept my coffee hot for several hours and fit my cup holder nicely. However, after a few washings, the green paint started to peel/chip off. (I hand wash it, so can't blame it on the dishwasher) Because I liked the product so much, I purchased a second one in just a stainless steel finish and don't have the paint chip issue. My husband purchased a black finish Kanteen and he hasn't had a paint chipping issue, so I'm not sure if the green paint is the issue or just a faulty lot that I ordered from.
It only has three parts: the cup, the lid, and a plastic ring that keeps liquids from leaking out of the lid--which means it's super easy to clean. I hand wash all the components, but it only takes me two minutes. The outside of the cup is textured, so it's easy to hold. The cup is well-insulated, so it doesn't burn my hand.
And most importantly, the cup doesn't leak! There is a non-closable opening on the lid where you drink the coffee. But even though it's bigger than say a Starbucks lid opening, it's not so big that coffee spills out. I've been using it for a few months now, and I have never once had coffee spill.
I really can't describe how much I love this thing. And to know that I'm not throwing all that trash from each disposable cup into a landfill makes it even that much better.
Now, about the heat and cold retention. THIS CUP IS AMAZING!!! As far as heat, my coffee lasts HOT for about 2 hrs and then stays warm for another 3 hrs or so, depending on how hot it was when I put it in. (And that is without "warming up the cup" by putting warm water in the cup before putting my coffee inside). Now the truly amazing part is the cold retention! I was so surprised the first time I realized how long this cup stays cold! I put ice and a juice in the cup for lunch at 3p (the cup started in hot car temperature before the ice and drink were poured in, and then was left at room temperature). The ice was still HARD at 7p. It had not even STARTED to melt!! I've tested it several times and always similar results, it lasts for HOURS! Now that time is cut significantly lower if left in a hot car or other extreme heat area, but I am amazed. I would recommend this cup to everyone!! Plus if you prefer using straws for thicker drinks, Klean Kanteen offers a straw lid that goes with this cup (I bought it but my husband claimed it for his cup, so I need a new one now!)
By far one of the best investments I have made in my ZW journey, I take this cup everywhere, and since the ice lasts all day, I fill it up before I leave the house and have ice cold water all day, even after several refills! (Unless I start munching on the ice, which is a completely different problem....)
CONS: Open-mouth lid that neither seals nor is leak-proof, have to pre-warm the cup for it to keep beverage hot for up to an hour, not dishwasher safe so have to handwash.
UPDATE: I've changed the stars from 3 to now a 2. It's less than a month, and I now have two "rim" stains on the inside of the stainless steel that do not come off with multiple washing by hand (per instructions). I only drink black tea (with cream) or green tea, nothing else. I'm really disappointed, as I like to have a clean cup to drink from. I thought stainless steel wasn't supposed to stain, am I wrong?