Zojirushi is a Japanese manufacturer of rice cookers, bread makers, and other kitchen appliances. Their products are considered some of the best in their class. The company also has a fantastic warranty program which includes one year’s worth of replacement parts or services for any product that breaks down during its lifetime. Zojirushi boasts over 60 years of experience making quality kitchen items.

There’s nothing like a cool drink to keep you going on a long ride. Whether it’s a little trip up a flight of stairs or a wild race through the airport terminal, staying hydrated is essential for a pleasant trip. There are a lot of possibilities when it comes to bottles, but insulated bottles are among the most adaptable.

Zojirushi is known for its high-quality items, and the Stainless Mug is one of their numerous offers. They’re so confident in their goods that they’ve included recipes on their website to go along with them. We tried it with hot tea and cold water since we’re working with an insulated bottle. These aren’t the most complicated recipes, but they’re enough to see whether the Stainless Mug is up to the challenge.

Aesthetics & Materials

Bottles like the Zojirushi Stainless Mug may seem to be goods where looks aren’t as important as functionality. But, when you think about it, it’s one of the few objects you’re likely to be carrying about and unknowingly flaunting. It’s in the water bottle pocket of your bag, it’s on your desk pouring coffee, and you’ve even taken it to lunch where your friends can see it. It’s an unwritten law, but it’s simple to link someone with the bottle they carry all the time; you see someone’s bottle and know they’re there.

Zojirushi Stainless Mug (16 oz) | Logo and finishThe one we have here is the matte black version, which will go with any purse but may be difficult to spot in a dark setting. Other amazing alternatives are Smoky Blue, Champagne Gold, Lavender Pink, Deep Cherry, Emerald, and Stainless if black isn’t your style. That final one has a brushed metallic texture and hue and a black lid. Everything, even Zojirushi’s elephant symbol, is applied with taste.

The whole bottle is constructed of stainless steel, with the exception of the lid. We found no dents or warping during our tests, whether caused by an external force or temperature. We also had a look inside the bottle and made sure there was no evident damage. We’re delighted to see how well the Stainless Mug has kept up, given Zojirushi’s reputation for excellence.

It’s worth mentioning, however, that even though this mug is listed as being just 0.09 lbs (1.44 oz), we weighed it and discovered that it weighs 0.53 lbs (8.5 oz).


The lid is perhaps the most utilized element of any bottle, and it is here that many travel bottles set themselves apart from the competition in terms of functionality. Yes, they may all seem the same, but the sensation you get when you try them out is vastly different.

Zojirushi Stainless Mug (16 oz) | Locking lidZojirushi used a standard locking lid with a rubber gasket/stopper and plastic assembly for the Stainless Mug. We were pleased to discover that the locking mechanism was simple to use, as we could lock and unlock the door without any problems or becoming stuck. The lock can be operated with one hand, and the quick-release button offers excellent tactility. The upper part of the lid flips up and stops just short of your index finger resting behind the bottle (this has happened on other bottles, but very infrequently). The flip movement is strong enough to fling scrap paper if you become bored.

The rubber stopper within the lid serves as a gasket between the white plastic mouth and the cap itself. Whether we’re carrying hot tea or cold water, it closes well, and there’s no leakage.

Zojirushi Stainless Mug (16 oz) | Disassembled lidThe lid is broken into two sections for maintenance: the white plastic spout and the outer lid assembly. This makes cleaning simpler, as you can get your cleaning brush right into the crevices of the pieces. On that topic, the white plastic might discolor with time, particularly if you consume a lot of colored beverages. Because the Stainless Mug is not dishwasher safe, manual cleaning is required. Stains may be removed with regular washing, and despite our daily tea intake, our example below seems to be in good shape. We suggest using a slim bottle brush for those hard-to-reach areas, as with most bottles.

The constrictive or curved aperture is one of our complaints about the lid. We’ve narrowed it down to those two traits; however, the liquid dribbles out instead of flowing smoothly whenever we pour anything out. It causes some needless splashes and necessitates cautious pouring, particularly when dealing with scalding beverages. Because the Tea Leaf Filter version has a different spout design, we’re intrigued to see whether it pours better. The Stainless Mug’s spout isn’t awful, but it does take a little extra care.

This type, the SM-KHE48, has a volume of 16 ounces. If you drink a lot of water during the day, you could find it deficient, but for hot drinks, which are consumed more slowly, it’s sufficient. If you need something smaller that fits in a sling bag, there’s also a 12-ounce variant.

Depending on how large you create your ice cubes, your mileage may vary, but the Stainless Mug’s aperture measures just under two inches, making it simple to get ice inside. However, you won’t have to worry about overfilling it with ice since the Stainless Mug does an excellent job of retaining the temperature of your drink.

Zojirushi Stainless Mug (16 oz) | Main openingCold beverages stay cold all day, whereas hot drinks stay hot all day. The Stainless Mug was mostly used for our daily tea dosage, and it did not fail each time we wanted a soothing beverage. This is outstanding for day-to-day performance, especially given the small weight of Zojirushi’s design.

Wrap Up

With just a few items to bear in mind, Zojirushi’s Stainless Mug functioned well throughout our everyday usage. Two of them are related to stains: the first is to maintain the spout clean to prevent apparent stains from becoming permanent, and the second is to pour carefully since liquids tend to drip out of the spout. The last step is to hand-wash the Stainless Mug since it is not dishwasher safe.

Zojirushi Stainless Mug (16 oz) | Carrying the bottleThat final quibble is small, and you really only need to be concerned with the first two, which can be considered good practice for any insulated bottle. Overall, the Zojirushi Stainless Mug gets the job done quickly and efficiently.

Frequently Asked Questions

How long does Zojirushi thermos last?

A: Zojirushi thermos last 4-6 hours on average.

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