![Zojirushi (ZOJIRUSHI) Water bottle direct drinking [One-touch open] Stainless steel mug 480ml Navy SM-SF48-AD](https://m.media-amazon.com/images/I/51Vb+EMfZkL._SR75,75_.jpg)
I first bought the older model of this thermos six years ago. It got hard daily use because it holds 16 oz, is compact, comfortable to hold, and leakproof. It’s also cute and keeps beverages hot/cold for hours. I was carrying my old one it my backpack when I slipped on some ice and fell hard on my back. The thermos was badly dented, but still useable. I got another one to take to to work, so it would look better, but I still use the old one on the weekends. It’s better to have two so I will wash them more frequently! The newer model is easier to clean because it does not have the silicone ring around the base of the plastic mouthpiece. I am glad for that change, because that was annoying to remove and could get grodier than one might think. (I would clean the rest of the thermos at least weekly, but sometimes I would go months without removing the little ring. I’m sure I’m not the only one…)
I am glad that the thermos is stainless steel but with a plastic mouthpiece, because the plastic does not bang as hard on my teeth, especially if I am drinking tea while driving on a rough road. I always get tea stains on the mouthpiece, but they easily remove with powdered calcium carbonate cleanser and a brush.
These thermoses have been with me through a lot, and so I am sentimental about them. They are good and dependable.
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Watch Before Buying! Zojirushi Stainless Steel Mug Review
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Everything you need to know...review.
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Zojirushi SM-SA48-BA Stainless Steel Mug, Black, 16-Ounce
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Honest Review of Zojirushi Stainless Mug
Kevin Chambers
From the manufacturer
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Vacuum insulation provides superior heat retention--your beverage stays hot or cold for hours. |
A special manufacturing technique was used to make the body ultra-lightweight and compact. |
Zojirushi flip-open lids are designed to release and hold, then flip open. This 2-step lid release allows condensation on the lid gasket to fall back into the mug instead of splattering. |
Lid completely disassembles for easy and thorough cleaning. |
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Air vent on the mouthpiece allows beverages to flow out smoothly, without gushing or overflowing. |
Safety lock prevents the lid from opening accidentally. |
Nonstick coated interior makes cleaning easy. |
1-5/8" wide opening for easy filling. |
What is Vacuum Insulation?
Vacuum means the air between the outer and inner layers of stainless steel has been removed to create a vacuum insulation. It blocks heat from transferring through air (conduction). Zojirushi vacuum insulation also features a copper or aluminum layer tightly wrapped around the outside of the inner stainless steel layer. This copper or aluminum layer reflects heat (radiation), further minimizing the temperature change of your drink. Lastly, heat is blocked from escaping through the opening (convection) with a tightly closed lid.
About Zojirushi
In 2018, Zojirushi Corporation celebrated its 100th anniversary, and a century of products designed to improve customers' quality of life-bringing comfort, ease, vitality and affluence to people around the world. Zojirushi was established in 1918 as a producer of hand-blown vacuum bottles. The Zojirushi line was expanded to include a wide range of stainless steel vacuum bottles, rice cookers, breadmakers, Air Pot beverage dispensers, thermal serving carafes, specialty cookware, small electrics, restaurant equipment and other products. Striving to remain faithful to the principles that embodied the company's first 100 years, and the reputation of quality and durability it earned them, Zojirushi looks forward to a future of continued innovation and inspired design.
Compare with similar items
This Item  Zojirushi SM-SA48-BA Stainless Steel Vacuum Insulated Mug, 1 Count (Pack of 1), Black |  | |  |  |  | |
| Price | $28.99 | $31.99 | -46% $26.99 List: $50.00 | $30.00 | $75.00 | $51.70 |
| Delivery | Get it as soon as Friday, Apr 26 | Get it as soon as Friday, Apr 26 | Get it as soon as Friday, Apr 26 | Get it Apr 29 - May 6 | Get it as soon as Friday, Apr 26 | Get it as soon as Saturday, Apr 27 |
| Customer Ratings | ||||||
| Leak proof | ||||||
| Easy to drink from | ||||||
| Easy to clean | ||||||
| Easy to hold | ||||||
| Quality of material | ||||||
| Sold By | Tokyo Japanese Outlet | Amazon.com | Tokyo Japanese Outlet | Japan_Dealz | SkycrewJapan | Welcome to Hollywood |
| material | Plastic, Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
| capacity | 16 ounces | 20 ounces | 16 ounces | 12 ounces | 20 ounces | 12 ounces |
| cap type | Flip Top Cap | Flip Top Cap | Flip Top Cap | Screw Cap | Screw Cap | Screw Cap |
| care instructions | Hand Wash Only | Hand Wash Only | Hand Wash Only | Hand Wash Only | Hand Wash Only | Hand Wash Only |
| weight | 0.5 pounds | 0.67 pounds | 0.58 pounds | 0.38 pounds | 0.56 pounds | 0.38 pounds |
Reviews with images
I am surprized. I didn't expect to be so happy with this product!!
Zojirushi SM-SA48-BA Stainless Steel Mug, Black, 16-OunceFirst, I don't write reviews often, but feel compelled to do so. I can't stop telling people about this little gem! I was using a Contigo autoseal style cup and was happy with it. It kept my coffee hot for 4-6 hours if left full all day. If I drank say half of it, the temperature would hold closer to 4 hours. That is to be expected. It was my favorite cup as it kept my coffee hot and it was my only spill proof travel mug. Sure I have a dozen insulated coffee mugs, but none that I could put in a bag or throw on the leather seat of my Lexus and not worry about it spilling.Well, I dropped the Contigo cup shortly after purchase and it dented in the side pretty good, but its function was fine. After about six months it started leaking after another drop and the plastic threads of the lid cracked and could no longer hold a seal. So, I was back on the hunt for a new travel mug. I roast my own coffee and am pretty particular when it comes to my coffee. I literally have spent thousands on coffee and espresso equipment. It would be considered an addiction. Needless to say, I like to have my addiction hot and often. Kind of reminds me of my wife! Similarly, I get irritable if you decrease my enjoyment of either of these addictions. So, needless to say, the cup needed to be replaced asap.So, I go to Amazon and find the Contigo Autoseal and put it into the cart. Prime baby, I'll have it in a couple days. Hey, what is that in the recommended products. A Zojirushi SM-SA48-BA Stainless Steel Mug, interesting, six months earlier I had researched bread making machines and turns out Zojirushi makes the best one, I bought it and we have been very impressed with its thoughtful design and quality. A few months later I broke my thermal pitcher I pour my french press brew into immediately after extraction. So here I go to Amazon and similar story, I purchase a Zojirushi thermal pitcher and it was also a great product. So the Zojirushi SM-SA48-BA Stainless Steel Mug caught my eye. Wow, 1100+ reviews and 5 star rating. You don't see that too often. $26 dollars compared to the Contigo $15, hmm, that's a lot. I will just order both.Now, to say that I am impressed with this little gem is an understatement. At first look on Amazon, I didn't like the design. The flip lid seems like it would be a pia. Always having to flip to take a drink, when I was used to the Contigo and just pushing the button and taking a drink. A few reviewers also stated they hit their nose on the lid. I really didn't think I would like it, but what the hey, I'll give it a try. The package arrived as expected with the two cups, I attached a picture with a soda can so you can compare the two products.First impressions:Form - They both look really good as far as form factor. I got the white Contigo, because it was $12 compared to $15 and up for other colors. Not considering colors, I like the look of the Zojirushi. I believe this is a more of a personal preference issue. So pretty close just looking at them.Design -The Zojirushi really pulls ahead in this department. When you pick up these mugs up out of the box, you will immediately lean towards the Zojirushi. As you can see in the pictures, compared to a soda can the Contigo is a bit larger in diameter and the Zojirushi is a little smaller. My hands are on the smaller side of a male hand and the Contigo feels big. Kind of like picking up a soda can compared to a two liter soda bottle. The soda can feels more comfortable in your hand. This is an exaggeration, but it is the accurate way you will feel when comparing the two. The Zojirush, just has a nicer hand feel. It is comfortable to hold in a relaxed position. Like the 2 liter bottle, the Contigo took more effort to hold.The Contigo wins when it comes to getting coffee from the mug into your mouth quickly, but hold on. If you are a coffee drinker, like me, who enjoys the experience of drinking coffee. The mouth feel of the cup, the aroma of the coffee as you inhale through your nose taking that first air infused slurping sip. The best environment for this experience is a good warmed open ceramic or porcelain mug. Short of that, every other form is a compromise. The mouth feel of the mug, the openness as you tilt the mug to inhale the aroma, and the ability to sip with a slurping type sip where you take in a little air with the liquid to enhance your ability to taste the subtle rich notes of the coffee. This is where the Zojirushi shines, as it simulates the porcelain mug the best.When I was like you, reading the reviews, this didn't occur to me, until I took my first sip from the Zojirushi. Again, the flip lid seemed to be less efficient way than the Contigo, and maybe it is, but the advantages to coffee enjoyment are great. Here is why, think about drinking out of the Contigo. It is like drinking out of a straw. You suck from the little hole at the edge of the lid and there is no air exchange, like sucking out of a straw. Think about drinking a beer out of a straw, you lost the joy of drinking the beer, but you got your alcohol. The Conitgo was the same way, but at the time was worth having a spilless cup of hot coffee. You got your caffeine, but lost the joy of the cup. You comprimise on mouth feel, air exchange with the slurp and aroma of the coffee, but you get hot and spilless.The Zojirushi, on the other hand, has less compromise in these areas. Due to the flip lid, they were able to design a drinking rim similar to drinking from a cup with enough room for plenty of aroma to escape and you can slurp as you take a drink. So, this design allows you to enjoy your coffee to the fullest, even in a travel mug. No, you are not sitting on the porch with comfy clothes and sluping on a warm mug of deliciousness, but you are getting the best coffee drinking environment I have found in travel form.The other impressive thing on design, this thing can keep your coffee hot all day long. The Contigo will keep a full mug of coffee hot for about 6 hours. About 4 hours if you only fill it half way or drink half. The Zojirushi really shines here also, I put coffee from my french press into this little gem at 8 am and drank from it all day and that evening at 6pm, ten hours later, the last drink was drinking temperature, not just lukewarm. Wow, I was impressed.Another note, I can fit the Zojirushi in my back pocket of my jeans or fit it into the inside jacket pocket, where the Contigo is just too fat to make that work.Needless to say, make this purchase and just enjoy your coffee. If you drink Folgers coffee, disregard everything I have said, as you just won't understand.This is one of those stupid things, but I am so impressed and this is one of those products that has literally made my life a little more enjoyable and I appreciate it!
Top reviews from the United States
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Reviewed in the United States on June 4, 2023
Style: 16-OunceColor: Pearl PinkVerified Purchase
I first bought the older model of this thermos six years ago. It got hard daily use because it holds 16 oz, is compact, comfortable to hold, and leakproof. It’s also cute and keeps beverages hot/cold for hours. I was carrying my old one it my backpack when I slipped on some ice and fell hard on my back. The thermos was badly dented, but still useable. I got another one to take to to work, so it would look better, but I still use the old one on the weekends. It’s better to have two so I will wash them more frequently! The newer model is easier to clean because it does not have the silicone ring around the base of the plastic mouthpiece. I am glad for that change, because that was annoying to remove and could get grodier than one might think. (I would clean the rest of the thermos at least weekly, but sometimes I would go months without removing the little ring. I’m sure I’m not the only one…)
I am glad that the thermos is stainless steel but with a plastic mouthpiece, because the plastic does not bang as hard on my teeth, especially if I am drinking tea while driving on a rough road. I always get tea stains on the mouthpiece, but they easily remove with powdered calcium carbonate cleanser and a brush.
These thermoses have been with me through a lot, and so I am sentimental about them. They are good and dependable.
I am glad that the thermos is stainless steel but with a plastic mouthpiece, because the plastic does not bang as hard on my teeth, especially if I am drinking tea while driving on a rough road. I always get tea stains on the mouthpiece, but they easily remove with powdered calcium carbonate cleanser and a brush.
These thermoses have been with me through a lot, and so I am sentimental about them. They are good and dependable.
Images in this review
Reviewed in the United States on February 14, 2024
Style: 16-OunceColor: Silky BlackVerified Purchase
Reviewed in the United States on June 19, 2018
Enter the Zojirushi. I went with the 12oz size, because I generally don't need a gallon of coffee to get me through the day. It's just slightly bigger than a normal can of soda, for size reference. I'm a grown man and the tiny thing is adorable; it looks like some kind of cute artillery shell or something. It's the perfect size for me, because I can dump in a can of Red Bull or a large cup of coffee and sip it through the day.
In terms of performance, I was pretty blown away by how effective it is at maintaining temperature. I generally do pour-over, so my water is about 205F when it hits the grounds. By the time I get it into the thermos, it's around 180-190F, which is way too hot to drink (ideally I prefer my lattes at 135-140F). After sitting on my desk for about 8 hours, the temperature is STILL above 150, which is still piping hot. You can literally burn your mouth drinking coffee out of this thing after it's sat on your desk for an entire work day.
Now, this will change if you're drinking out of it frequently, or leaving the lid open. Every second you open the mouth, you'll lose a bit of heat. However, I found that I could take a lot of sips out of it and still have very warm and drinkable coffee by the end of the day, or at least far past the time that you would normally need to be drinking coffee.
When it comes to cold drinks, it still performs great. However, I think that if you add ice to whatever you're drinking, you'll be amazed at how long it stays cold. I tossed in a can of Red Bull (no ice) and it was cold for several hours. I left it overnight, and the next day it was still cool but no longer cold. However, ice would probably last in there for a few days, if not a week.
The mouth design is genius. It has two holes, and one lets air in as liquid flows out. This results in a bit slower and more controlled amount of liquid coming out of the mouth, so you don't burn the hell out of your mouth when you try to take a sip. However, you can still get plenty out of it if you're drinking something cold, so it's not like it's barely trickling out or something.
The lid opens easily with the press of the button, and the lid lock is handy if you're tossing this into a bag and don't want the button accidentally pressed. The lid also comes apart for easy cleaning, which is nice. I've seen other posts of people claiming that there is mold and such in their lid after a year, but honestly I can't understand why you wouldn't just pop the plastic lid part in the dishwasher every now and again and hand wash the other parts. Regardless, this thing costs like $20...you can probably afford to buy a new one every year if it means drinking super hot coffee every day.
The inside of the thermos has a non-stick coating, really similar to what you find on ceramic pans and such. It's great if you drink milk-based drinks, which can be kind of a pain to clean off bare metal. I highly recommend getting a bottle cleaner or something that won't scratch the surface. Also, this bottle will start to smell like whatever you put into it, so deodorize it regularly if you plan on putting multiple types of drinks into it. Once I tossed a Red Bull in there, and the mouth piece smelled like Red Bull regardless of what I washed it with. Finally I had to use baking soda and vinegar with boiling water, and it's back to a neutral smell.
Overall, I really love this thing. It's a great size, and nice and slim rather than huge and bulky like so many other similar products. I don't want to put a 64oz nuclear warhead on my desk that weighs more than my computer, I just want a small and slim vessel to drink hot drinks out of. This definitely goes above and beyond my expectations. I don't give a ton of 5-star reviews, but this is a great item for $20.
Style: 12-OunceColor: Slate GrayVerified Purchase
I'm a grown man and the tiny thing is adorable; it looks like some kind of cute artillery ...
Reviewed in the United States on June 19, 2018
One day I decided that I could use a new thermos, because I realized how awful my Contigo was that I picked up from Walmart a few years ago. For reference, I could pour in hot coffee and it would be lukewarm to cold about 2-3 hours later. This was also a vacuum insulated mug. I just quit using it because it was such a hassle trying to clean it every day, and I was tired of lugging the thing around. I was ridiculously big and bulky. I don't know about you, but I don't need another huge item to keep track of every day.Reviewed in the United States on June 19, 2018
Enter the Zojirushi. I went with the 12oz size, because I generally don't need a gallon of coffee to get me through the day. It's just slightly bigger than a normal can of soda, for size reference. I'm a grown man and the tiny thing is adorable; it looks like some kind of cute artillery shell or something. It's the perfect size for me, because I can dump in a can of Red Bull or a large cup of coffee and sip it through the day.
In terms of performance, I was pretty blown away by how effective it is at maintaining temperature. I generally do pour-over, so my water is about 205F when it hits the grounds. By the time I get it into the thermos, it's around 180-190F, which is way too hot to drink (ideally I prefer my lattes at 135-140F). After sitting on my desk for about 8 hours, the temperature is STILL above 150, which is still piping hot. You can literally burn your mouth drinking coffee out of this thing after it's sat on your desk for an entire work day.
Now, this will change if you're drinking out of it frequently, or leaving the lid open. Every second you open the mouth, you'll lose a bit of heat. However, I found that I could take a lot of sips out of it and still have very warm and drinkable coffee by the end of the day, or at least far past the time that you would normally need to be drinking coffee.
When it comes to cold drinks, it still performs great. However, I think that if you add ice to whatever you're drinking, you'll be amazed at how long it stays cold. I tossed in a can of Red Bull (no ice) and it was cold for several hours. I left it overnight, and the next day it was still cool but no longer cold. However, ice would probably last in there for a few days, if not a week.
The mouth design is genius. It has two holes, and one lets air in as liquid flows out. This results in a bit slower and more controlled amount of liquid coming out of the mouth, so you don't burn the hell out of your mouth when you try to take a sip. However, you can still get plenty out of it if you're drinking something cold, so it's not like it's barely trickling out or something.
The lid opens easily with the press of the button, and the lid lock is handy if you're tossing this into a bag and don't want the button accidentally pressed. The lid also comes apart for easy cleaning, which is nice. I've seen other posts of people claiming that there is mold and such in their lid after a year, but honestly I can't understand why you wouldn't just pop the plastic lid part in the dishwasher every now and again and hand wash the other parts. Regardless, this thing costs like $20...you can probably afford to buy a new one every year if it means drinking super hot coffee every day.
The inside of the thermos has a non-stick coating, really similar to what you find on ceramic pans and such. It's great if you drink milk-based drinks, which can be kind of a pain to clean off bare metal. I highly recommend getting a bottle cleaner or something that won't scratch the surface. Also, this bottle will start to smell like whatever you put into it, so deodorize it regularly if you plan on putting multiple types of drinks into it. Once I tossed a Red Bull in there, and the mouth piece smelled like Red Bull regardless of what I washed it with. Finally I had to use baking soda and vinegar with boiling water, and it's back to a neutral smell.
Overall, I really love this thing. It's a great size, and nice and slim rather than huge and bulky like so many other similar products. I don't want to put a 64oz nuclear warhead on my desk that weighs more than my computer, I just want a small and slim vessel to drink hot drinks out of. This definitely goes above and beyond my expectations. I don't give a ton of 5-star reviews, but this is a great item for $20.
Images in this review
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