Customers love the Classic 20-Oz. Thermal Cup for its excellent temperature retention, keeping drinks hot or cold for hours. Its ease of use and cleaning, along with its leakproof design, are also frequently praised. Many appreciate the convenient size, perfect for various needs and easy portability. The affordable price point is another frequently cited positive aspect.
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 1 Showing 1-20 of 93 reviews
Pros mentioned:
Leakproof, Temperature retention
Rated 5 out of 5 stars
Stanley is still king
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I will admit I am a big fan of Stanley products, but I will definitely scream loudly if they are not up to snuff. This 20 oz. thermal coffee mug is absolutely EXCELLENT. I have the 12 oz. and the 16 oz. and this is a very similar, but improved mug. The inner workings of the lid have been reduced to just a single removable part, which makes cleaning very simple (the previous cups had 3 pieces inside the lid). But the real beauty of this cup is how LONG it keeps things hot. After 12 hours my coffee is still very warm and drinkable. But it easily keeps my morning coffee piping hot at least until noon or later. The cup is made very well, is leakproof, and has a lifetime warranty. What more could you ask for?
I would recommend this to a friend
Pros mentioned:
Ease of use, Leakproof, Temperature retention
Rated 5 out of 5 stars
Does the job
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I have had this thermal cup for around a month now and have had no issues with it. I get no leaks and it is very easy to clean. I use it on the daily and it keeps my coffee warm for 6-8 hours. Great product overall.
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black
I would recommend this to a friend
Pros mentioned:
Ease of use, Temperature retention
Rated 5 out of 5 stars
the best
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Posted . Owned for 2 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I have two of these - 12 and 20 oz. You won't have to worry about coffee spilling in your car. If you don't press the button nothing will spill. I even throw it in my bag sometimes. Also, keeps coffee hot for a long time, too long for me - but I guess I can't complain about that. Cleaning is easy, the plastic parts you disassemble and put it in the dishwasher and the metal you hand wash.
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black
I would recommend this to a friend
Pros mentioned:
Ease of use, Temperature retention
Rated 5 out of 5 stars
My daily cup of joe
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Posted . Owned for 8 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I use this every day. I easy wash it when dirty and can take all the pieces apart for a quick clean. Keeps things hot in the cold and cold on hot days outdoors. I have a bunch of Stanley products because they last for ever (have an old school thermos from the 80s too and it still works).
I would recommend this to a friend
Pros mentioned:
Ease of use, Leakproof
Rated 5 out of 5 stars
It’s so cute
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
One of the best travel cups ever. I have used it mainly for cold beverages. It’s not too wide around so it’s easy to handle. I especially like the fact that it does not leak or spill when on its side. It is also super cute.
I would recommend this to a friend
Pros mentioned:
Size, Temperature retention
Rated 5 out of 5 stars
Very good - glad I bought it.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This thermos is excellent. It is sleek, stylish, fits well in my hand, and keeps coffee very hot for a long time. It is better than I expected.
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black
I would recommend this to a friend
Pros mentioned:
Size, Temperature retention
Rated 4 out of 5 stars
Almost Perfect.
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
These units hold their heat well for well over 6-8 hours. They are a good size and fit well into the side of a bag and any cup holder.
The only real con is that the sealing mechanism limits flow fairly significantly while drinking.
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black
I would recommend this to a friend
Pros mentioned:
Leakproof, Temperature retention
Rated 4 out of 5 stars
Good for a cold day!
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
On a cold day this is my go to thermal cup. Keeps the heat for most of the day and does not leak! Great product, but was not packaged in a box like others, so there were scuff marks and a tiny scratch under the plastic!
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black
I would recommend this to a friend
Pros mentioned:
Price, Temperature retention
Rated 4 out of 5 stars
Great thermos
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Stanley is an old but trusted brand. I have finally fount an insulated bottle that will not quit holding temp after a few uses, and doesn’t cost you an arm or a leg. Great product at a good price.
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black
I would recommend this to a friend
Pros mentioned:
Leakproof
Rated 5 out of 5 stars
the best!
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Posted . Owned for 2 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I have two of these - 12 and 20 oz. You won't have to worry about coffee spilling in your car. If you don't press the button nothing will spill. I even throw it in my bag sometimes. Also, keeps coffee hot for a long time, too long for me - but I guess I can't complain about that. Cleaning is easy, the plastic parts you disassemble and put it in the dishwasher and the metal you hand wash.
I would recommend this to a friend
Pros mentioned:
Price, Temperature retention
Rated 5 out of 5 stars
Good Value
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Picked this up at a great price. Keeps beverages cold for many hours. Recommended.
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black
I would recommend this to a friend
Pros mentioned:
Price, Temperature retention
Rated 5 out of 5 stars
Great!
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Got this on sale for $10! Great quality and keeps my coffee hot for hours!
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black
I would recommend this to a friend
Pros mentioned:
Leakproof, Temperature retention
Rated 5 out of 5 stars
great cup
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
great cup. keeps my water cold for a long time. also it doesn't spill
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black
I would recommend this to a friend
Pros mentioned:
Size, Temperature retention
Rated 4 out of 5 stars
Love this thing!
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Perfect size for my few cups of morning coffee. Keeps it pretty warm, although, some of my larger thermos’ do a better job of keeping temperature.
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black
I would recommend this to a friend
Pros mentioned:
Temperature retention
Rated 5 out of 5 stars
Excellent
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I work 12 hour shifts and I like to have a cup of coffee half way into my shift. The coffee from the machine at work is horrible and no one ever cleans the coffee pot in the break room. I fill this up when I leave home and it still hot when i need it later in the night. I purchased two of them and love them.
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black
I would recommend this to a friend
Pros mentioned:
Ease of use
Rated 5 out of 5 stars
Very good
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
The cap works great. Easy to grab, drink from then it seals itself. It's easy to disassemble and clean the cap. I'm using it for cold brew coffee so no idea on heat retention and my coffee is gone by the time I get to work. Can't comment much on value as I got it on sale cheap.
I would recommend this to a friend
Pros mentioned:
Temperature retention
Rated 5 out of 5 stars
Best Thermos Ever
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This is the best travel thermos for coffee I've ever used. I can't drink lukewarm coffee and hated pouring out my coffee after it cooled too quickly. This thermos keeps it hot for 8-10 hours. Like smoking hot. I never throw out cold coffee anymore!!
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black
I would recommend this to a friend
Pros mentioned:
Temperature retention
Rated 5 out of 5 stars
Stays Warm Forever!
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This is the best travel thermos for coffee I've ever used. I can't drink lukewarm coffee and hated pouring out my coffee after it cooled too quickly. This thermos keeps it hot for 8-10 hours. Like smoking hot. I never throw out cold coffee anymore!!
I would recommend this to a friend
Pros mentioned:
Ease of use
Rated 5 out of 5 stars
Stanley Quality Small Size
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Posted . Owned for 2 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I have been looking for an insulated cup that would actually keep things hot or cold for an extended period. This Stanley cup fits the bill. Works great and is easy to clean. It was a great price. Very happy with the purchase.
I would recommend this to a friend
Pros mentioned:
Size, Temperature retention
Rated 4 out of 5 stars
Gift
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
The receiver loved the size of the thermal cup. Love the heat staying factor
This review is from Stanley - Classic 20-Oz. Thermal Cup - Matte Black