34 of 37 people found the following review helpful
No longer using the tumbler (Old title: Better than most but not perfect)
, March 31, 2012
This review is from: Contigo AUTOSEAL Stainless Steel Vacuum Insulated Tumbler, 16 Ounces, Blue (Kitchen)
I got the Contigo Autoseal Stainless Steel Vacuum Insulated Tumbler because of all the good reviews. I was initially impressed for a few days but noticed some annoyances.
1) Because of the vacuum function, whenever I press the tab to open the lid for the first time after pouring some coffee, the pressure releases and some of the coffee/steam inside will spit out a bit. This however is expected and to an extent, mentioned in the instructions.
2) After several uses, I've noticed that it does not keep the coffee very hot even if I don't open the lid at all. The hot coffee I would pour in would turn warm within two hours.
3) The last thing I noticed was that there would be some condensation forming at the bottom of the cup. I've taken care of the cup and don't recall damaging it so I don't think its due to mishandling of the cup or anything like that.
4) A lot of people have talked about the lid smelling after some use and I agree. What I've done that helps is to put a few drops of apple cider vinegar (I would guess white vinegar would work too) into a measuring cup, put the Contigo lid in and then pour some water into the measuring cup until it covers the lid. I typically let the lid soak overnight and by morning, the smell is gone, at least to my sense of smell.
If these small annoyances don't bother you, then this would probably be a worthwhile product. I found them to be enough of a hassle so I couldn't give the product 5 stars (perfect) or 4 stars (a slight imperfection). If I could, I'd give it 3.5 stars since it's a nice product and better than what you would find at any given store.
Update, 4/10/12: I started to notice a weird taste/smell whenever I drink through the mug. Almost like melted plastic or something strange and difficult to describe. If I pour the contents onto another cup/mug, it's not a problem. It looks like some other users have commented on this smell concern so I guess I'm not the only one. I've been washing the mug carefully but maybe I'll take more time to thoroughly wash it and then post another update if I notice any changes.
Update, 4/28/12: The smell still hasn't gone away after countless washes and attempts to clean it. This might be a coincidence but I tend to drink my coffee black and I also prefer dark/strong coffee - I wonder if this has anything to do with the smell. If the smell doesn't go away after I give this a more thorough cleaning, I may have to bump the rating down to 2 stars.
Update, 5/19/12: After many washes, still no change. In fact, I've washed it many times without even putting any coffee in it (but testing out by drinking water) but the smell still persists. Since I've stopped using this product now (replaced with an old plastic coffee mug), I'm bumping this down to 2 stars.
Update, 12/26/12: Updated title to reflect changes in my star rating.
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