


Zojirushi Stainless Steel 20oz. Mug has a vacuum insulation that keeps beverages hot or cold for hours. Easy-to-clean nonstick coated interior. Tight fitted flip-open lid keeps beverages hotter or colder than travel mugs. Safety lock to prevent the lid from opening accidentally (NEW pictograph lock). Lightweight design for added portability.
Stopper disassembles for thorough cleaning
20oz. capacity with 1-1/2″ opening
Compact design takes minimal space while maximizing capacity
New pictograph lock. Stainless steel vacuum insulation keeps beverages hot or cold for hours
5 year warranty on heat retention
Made of BPA-free plastic and stainless steel. Easy-to-clean nonstick interior
11 reviews for Zojirushi SM-SA60BA Stainless Steel Vacuum Insulated Mug, 1 Count (Pack of 1), Black, 20 oz.
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$33.99

creamsoda –
Sleek Functional Thermos
This an outstanding thermos that I use for my coffee daily. The overall matte finish and size make it sleek and easy to carry. As other reviewers have mentioned, your coffee stays hot to the point where it’s undrinkable lol. The top is truly leak proof and the locking mechanism is a nice feature. As for durability, the bottom edge has some small signs of wear here and there but nothing that you’d notice in daily use. The top is easily disassembled for cleaning and the rubber gasket still looks new after a few months. It was slightly concerning to see a cancer warning label, but I threw that out and will hope for the best.
Fátima Castillo –
The best bottle ever
The best bottle ever, I really love it. Is perfect and cute.Keeps my beverages hot for many hours and the design is perfect, fit in the cut holder and is easy to hold.
BringBackParler –
Last thermos you’ll ever own!
Absolutely the best thermos! Keeps my coffee warm for at least 5 hours. And that’s without preheating the thermos with hot water. The lid is extremely easy to open and close. The drinking spout is better than any other that I’ve tried. Doesn’t even think about leaking. The slim size of it is misleading, as it will hold a large latte easily. I wouldn’t change a thing, and will be purchasing more, just in case I loose mine.
Tuscon Tom –
Trying to be objective, this is a top performer.
I was not satisfied with the performance of my travel coffee mugs, so I set out to find one that would keep my coffee hot for as long as possible. I gathered together a variety of travel hot beverage containers from my own personal collection as well as any others I could borrow. Some that I found do a remarkable job of retaining heat. Presumably, these same containers will be remarkable at keeping beverages cold as well. Don’t want to get into the thermodynamics of it, but at room temperature, the change in temperature from hot to ambient is always faster and more noticeable than the change from ice cold to ambient.OK, so I wanted to do something more than just a subjective comparison of different containers. It doesn’t do much to say my coffee is warm, hot, or scalding after 3 hours, so I decided to do a quantitative temperature comparison. First I filled them with boiled water, and then measured the temperatures over 24 hours or more. I’m uploading the results in tables and graphs. See for yourself how each one performs over several hours. The comparison includes some generic double-walled cups that might only be insulated with Styrofoam, or maybe even just air. These were grouped together as the worst performers. The best performers were the vacuum wall stainless steel cups. These were somewhat similar in performance, but there were a few that were much better than others.I recently bought a Contigo, 20 oz. vacuum wall stainless steel travel cup with a screw-on top with a pop-up opening. Nice, and much better than anything I was using at the time. Then I heard about the acclaimed performance of Zojirushi travel cups, so thought I’d try one. In short, it was amazing. If possible, it was too good, because if I filled it with hot coffee straight from the coffee pot, I ended up with coffee that was too hot to drink for at least 3 hours. Yes, I heard that complaint from other reviewers, but didn’t believe it. It’s true.Maybe not too surprisingly, one of my oldest thermos bottles was the best performer. Unfortunately, it has a vacuum glass liner and a very small opening. That makes it somewhat undesirable to use for travel or carry.Overall comments: Zojirushi containers are great at heat retention, and they are beautiful. Also, the Life Sky UQTOGB is a beautiful deep red. Life Sky says it’s red, and you better believe it’s really red, unlike the Zojirushi that claims to be red, but is really a rose or pink color. The Life Sky does not leak, even when the top is loose. The top seal is different from the similar style Zojirushi The Life Sky seal is wider that the Zoji seal, and as a result of that, the seal tightens down when the top is turned only a half-turn, and forms a leak-proof seal. If the Life Sky top is tightened too much, it gets to be very hard to loosen later. Tighten it just enough to be leak-proof, and it’s much easier to open later. Zojirushi containers do not leak, and the tops are easy to turn, but because of the thinner seal, they need to be tighter. Some reviewers say they have trouble with the Zojirushi SM-YAE48-GA, but I have had no problem at all. This one did not leak, and like the Life Sky, the seal is thicker, so the characteristics are similar.Separately, I compared a few stainless steel “sports bottles” which have screw-on tops, but do not have any pop-up covers for drinking. These are from Life Sky, Geysa, Glacier Point, and Simply Simily. Simply Simily and Glacier Point bottles were larger in size, but not so much larger in volume. They were better at heat retention, presumably because they have more space between the walls. The Life Sky and Geysa bottles were almost identical, the main difference is that the Geysa bottle has a highly polished exterior. It did not perform any better than the Like Sky bottle, which is about half the price. The screw tops were so similar that they were interchangeable between the Glacier Point, Like Sky, and Geysa bottles.One thing I noticed will all, is that at the top where there is no vacuum wall, they all get warm.These comparisons were run at 3 separate times. Once with 10 different cups of varied construction. Then 2 more times, keeping the groups among cups with similar designs.Update 3/16/16: I’m not happy with the way my graphics uploaded to this review. The original was high resolution, but Amazon reduced the size to the point that it’s unreadable. So here’s some raw data. These are temperatures vs elapsed time in hours & minutes. The column headings are numbered, and the number key is below the temperature data. If you look at the heat loss vs time, the best performer was an old glass-lined vacuum thermos jar with a loss of 54 deg at 19 hrs, 30 min. Second place was the Zojirushi at a loss of 61 deg at the same time.Watch for more reviews to be added to some other travel vacuum bottles.Hot Beverage Container Temperature (F.) vs. TimeHrs Min 1 2 3 4 5 6 7 8 9 100 0 190 181 181 179 174 165 159 168 165 1740 40 186 168 177 168 143 132 125 138 136 1681 5 185 165 176 163 134 120 114 127 123 1672 5 177 158 172 150 107 98 95 107 104 1632 30 176 154 170 147 102 93 91 100 96 1613 15 172 149 167 140 96 84 82 91 89 1594 0 167 145 165 132 87 70 70 82 75 15611 30 140 114 145 96 66 62 62 64 64 13119 30 118 93 127 86 11329 30 100 80 111 75Hot Beverage Container Heat Loss (F.) vs. TimeHrs Min 1 2 3 4 5 6 7 8 9 100 0 0 0 0 0 0 0 0 0 0 00 40 -4 -13 -4 -11 -31 -33 -34 -30 -29 -61 5 -5 -16 -5 -16 -40 -45 -45 -41 -42 -72 5 -13 -23 -9 -29 -67 -67 -64 -61 -61 -112 30 -14 -27 -11 -32 -72 -72 -68 -68 -69 -133 15 -18 -32 -14 -39 -78 -81 -77 -77 -76 -154 0 -23 -36 -16 -47 -87 -95 -89 -86 -90 -1811 30 -50 -67 -36 -83 -108 -103 -97 -104 -101 -4319 30 -72 -88 -54 -93 -6129 30 -90 -101 -70 -104Brand1 Subzero camp thermos2 Thermos Food jar3 Thermos glass-lined bottle4 Contigo travel vacuum bottle5 COPCO6 BODUM7 Starbucks8 Holland America9 Generic10 Zojirushi SM-SA48-NM
Todd –
The best at keeping liquids hot I’ve tested so far!
This all started as part of the scientist in me deciding to compare various insulated mugs etc. I’d amassed over the years. Along the way I came across lot of praise for the Zojirushi series and it’s ability to keep liquids hotter than most. So I thought I’d give them a try and see how they stacked up. My testing was not lab based or anything I simply boiled water in a tea kettle, poured it in so the item was full, and measured the temperature of them after 5 hours. The gaps in temperature are large enough that I believe they separate the products based on their performance keeping beverages hot.For the test I had a Camelbak Forge 12oz, OXO stainless travel mug 13oz, Planetary design 20oz thermos, An unknown REI brand 12oz thermos, and a plastic insulated OXO travel mug.After 5 hours the results were:Plastic OXO travel mug: 80 degreesStainless OXO travel mug: 112 degreesCamelbak Forge mug: 126 degreesREI 12oz thermos: 145 degreesPlanetary Designs 20oz thermos: 163 degreesZojirushi SM48-BA: 173 degreesSince it did so well I decided to continue the test and after 10 hours the temperature was still 151 degrees, still better than every other item I tested but one after twice as much time.It was not a big surprise to me the two thermos units did well, since they don’t have easy drink tops I figured they would hold heat better. The plastic OXO mug was very disappointing just because it was one of my favorites, but I knew it didn’t perform as well.So I’d have to say the clear winner in keeping something hot is the Zojirushi, I’m not 100% sure why, the unit is very light, I believe it comes down to that they’ve done a very good job of making sure the drinking top is well insulated. In most of these mugs you can quickly feel part of the top, or top/body interface is very hot and leaking heat. In the Zojirushi the top never got more than just slightly warm. The lock is handy for ensuring it does not come open on it’s own, I’ve had other mugs where the opening mechanism was inadvertently activated. The only feature I wish it had is a non-slip bottom.One concern I do have is durability over time. When I picked up the Zojirushi I was amazed how light it was, however I believe if roughly handled it would dent/ding easily. The outer metal layer is thin enough that if you squeeze it you can feel it flex. In fact I believe if I pressed hard with both my thumbs in one spot I could put a large dent in it. None of the other items I tested flexed at all under any pressure I could apply with just my hands. Time will tell if it holds up, but it’s certainly not going to take a beating like some of the others. So it would not be my choice for backpacking, hunting, or to toss around in the truck. However, for trips to work etc. it should hold up fine. The unit did not leak even when it was severely shaken, and left upside down for long periods of time.So I’d say if you are not going to abuse it, there’s nothing I’ve found so far that will keep your liquids hotter longer. If they made the outer shell a little thicker/stronger I’d give it 5 stars.
Charlie –
Best 20-oz Thermos!
BEST thermos Ever!! Keeps liquid hot all day! Literally hours! This is second one-gifted and they love it! Worth the extra cost as this is quality through and through. I have a Stanley all metal/stainless from years ago, when they were made to last years. But this keeps the liquid hot a lot longer. (20-oz Black)
RD –
Perfect size at 12oz. Keeps coffee temperature for hours even while drinking. Spout is easy to clean and all pieces come apart. Lock mechanism is excellent, spill proof. Inside of the mug is stain resistant and easy to clean. Would definitely recommend buying.
DNWTS –
Good
d|p –
Este termo es espectacular. Ya es el sexto que compro. Toda mi familia tiene uno.El único problema es que tienes que realizar trámites y gastos de aduana. En el último pedido ascendieron a 44,40 € y el termo costaba 49,35 €. Prácticamente el doble.Por lo demás, estupendo.
Alvin –
Item arrived in the original package, in good order
Sophie Bergeron –
J’ai été agréablement surprise du temps de conservation de la chaleur de cette bouteille isotherme. Je l’utilise principalement pour du thé et il reste brulant au minimum 4h. Le contenu est encore chaud 12h après. La bouteille est petite mais contient la même quantité de liquide que des tasses de transport régulière. Après un mois d’utilisation, il y a un peut de peinture qui se détache de la base, rien d’alarmant puisque je la met dans la poche latérale de mon sac à dos. Le prix est plus élevé, mais ça en vaut le prix.Petit contre, c’est que le bec verseur est un peu difficile à nettoyer.