
Thermos Stainless King Travel 16‑oz
Score: 84/100
Simple Modern Travel Mug
Score: 82/100Rankings

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 Simple Modern Voyager 16-ounce Travel Coffee Mug combines stainless-steel vacuum insulation with a copper layer and a ceramic-lined interior to keep drinks hot for over 5 hours while eliminating metallic taste. Its flip-lid design, while leak-proof, can take some getting used to and the limited color range may disappoint style-focused buyers. Ideal for commuters and office workers who need reliable on-the-go insulation and a sleek, dishwasher-safe mug.
| Attribute | ![]() | ![]() |
|---|---|---|
475 mlbest | 473.2 ml | |
198 mmbest | 154.94 mm | |
420 minutesbest | 300 minutes | |
84 mmbest | 63.5 mm | |
1,080 minutesbest | — | |
| ↓ lower better | 136 gbest | 201 g |
5 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Capacity & Size(3) | ||
Capacity (ml) | 475 ml | 473.2 ml |
Height (mm) | 198 mm | 154.94 mm |
Diameter (mm) | 84 mm | 63.5 mm |
Performance(2) | ||
Insulation Type | Vacuum | vacuum double-wall with copper |
Hot Retention (minutes) | 420 minutes | 300 minutes |
Build & Materials(1) | ||
Weight (g) | 136 g | 201 g |
Warranty(1) | ||
Warranty (years) | 5 years | lifetime years |
Features(1) | ||
Lid Type | DrinkLock sealing | flip lid |

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

Professional reviewers, including Theonetechguy, commend the Voyager for its 360° flip lid, ceramic-lined interior, and robust double-wall vacuum insulation with copper, noting its premium finish and ideal 16oz size for daily coffee consumption.
Everyday users consistently praise the mug's ability to keep drinks hot or cold for extended periods, its leak-proof one-handed flip lid, and the ceramic lining that removes metallic taste. Common themes include ease of cleaning, perfect fit in car cup holders, and overall durability, while the main complaints revolve around limited color choices and the learning curve of the flip lid.
“Keeps coffee hot for hours... still hot at 1:30 PM”

“Love the one-handed flip… keeps water cold all shift”

“Ceramic lining improves taste-no metallic flavor”


