
Zojirushi Stainless Steel Mug Black
Score: 69/100
Thermos Stainless King Travel 16‑oz
Score: 84/100Rankings

The Thermos Stainless King Travel Tumbler combines vacuum insulation that retains heat for 7 hours and cold for 18 hours with a leak-proof DrinkLock lid and built-in tea hook. Its lack of a handle and incompatibility with microwaves may affect some users. Suited for commuters and travelers needing reliable temperature control in a compact, cup-holder-friendly design.

The Zojirushi 16 oz stainless-steel travel mug offers strong vacuum insulation and a secure safety-lock lid in a compact, lightweight package. Its drawbacks include a heavier-than-advertised feel, a narrow mouth opening, and the need for hand washing. Best suited for commuters and office workers who prioritize heat retention and spill protection.
| Attribute | ![]() | ![]() |
|---|---|---|
480 mlbest | 475 ml | |
231.78 mmbest | 198 mm | |
— | 420 minutesbest | |
66.68 mm | 84 mmbest | |
— | 1,080 minutesbest | |
| ↓ lower better | 241 g | 136 gbest |
5 yearsbest | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Capacity & Size(3) | ||
Capacity (ml) | 480 ml | 475 ml |
Height (mm) | 231.78 mm | 198 mm |
Diameter (mm) | 66.68 mm | 84 mm |
Performance(1) | ||
Insulation Type | vacuum | Vacuum |
Build & Materials(2) | ||
Weight (g) | 241 g | 136 g |
Material | stainless steel | Stainless steel |
Features(2) | ||
Dishwasher Safe | false | true |
Lid Type | flip-open safety lock | DrinkLock sealing |

Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the SM-KHE48 for its impressive heat retention, compact size, and reliable safety-lock lid, noting that the SlickSteel® interior adds durability. However, they criticize the inaccurate weight claim and the limited 16 oz capacity for extended outdoor use, and they point out the small mouth opening as a usability drawback.
Everyday users praise the mug's ability to keep drinks hot or cold for hours, its sturdy construction, and the spill-preventing lid, while repeatedly mentioning that the actual weight feels heavier than advertised and that the 16 oz size can be limiting for long outings. The narrow opening and limited color choices also surface as common concerns.
