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Color-Changing
$17.99
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Shot Glass
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About this design
TW THWhl17
TW THWhl17 (Taiwan) (Road Sign) Color Changing Mug 11oz
This design reproduces a Taiwanese road sign bearing the route code TW THWhl17, a marker from the island's local road network.
Visual Elements & Composition
The artwork is flat and minimal, built from just two colours: black covers roughly a fifth of the field and white fills the rest. A rounded rectangle sits inside a rectangular frame, and the layout is centred and orderly, so the eye lands straight on the content. The two main elements are the numeral 17 and the Chinese character 花 (hua, "flower"). Together they carry the sign's identifying code in the standardised lettering used on Taiwanese traffic infrastructure.
Meaning & Symbolism
Each part of the code has a job. TW is the country code for Taiwan, THW is the shield designation for secondary township and local routes, and 17 is the specific route number. Unlike a stop or yield sign, this marker does not instruct drivers. It tells travellers where they are within the local network, which makes it a quiet piece of civil engineering. The design comes from modern Taiwanese road infrastructure and reflects a cartographic system that operates away from the major national and provincial highways.
Why It Suits a Color Morphing Mug
A mug is turned in the hand and seen up close, so a small route marker suits it well. The sign's crisp black-and-white layout sits neatly around the curve of the cup. Its heat-reactive surface brings the design to life: the numeral and character stay faint while the mug is cold, then appear as hot coffee or tea warms the cup. The route marker becomes a small reveal every time someone pours a drink.
- Theme
- Road Sign
- Place
- Taiwan
- Also on
- 1 other mugs & glasses
- Printed
- When you order it
Color-changing ceramic mugs with a glossy finish, black exterior, and white interior. Available in one size: 11 oz (≈330 ml). Heat-reactive coating reveals your custom design when filled with hot liquid. BPA- and lead-free, with a comfortable C-handle.
This mug brings a playful twist to the daily coffee or tea ritual. At room temperature, it looks like a simple black mug with a glossy finish. But add a hot beverage, and your chosen design fades into view, showing vivid colors against the white interior.
The ceramic body is durable enough for repeated use, while the C-shaped handle balances comfort and grip. Printing uses sublimation techniques that fuse color into the heat-reactive surface for crisp results when the design appears.
- Material: ceramic with glossy black exterior and white interior.
- Size: one standard size, 11 oz (≈330 ml).
- Finish: glossy glaze with heat-sensitive surface.
- Printing: sublimation process produces crisp, vibrant colors.
- Safety: BPA-free and lead-free, suitable for everyday drinks.
- Effect: design is faintly visible when cold, fully revealed when hot.
Perfect as a novelty gift or a fun personal mug, the heat-reactive design makes coffee breaks more engaging. It works well for morning coffee, afternoon tea, or hot chocolate.
- Daily routine: fill with any hot beverage to reveal your chosen artwork.
- Gifting: the “magic” reveal makes it a memorable present for birthdays, holidays, or office exchanges.
- Office use: sparks conversation while still being practical for everyday drinks.
Note: for best results, avoid designs that rely heavily on deep black backgrounds, as they may blend with the mug’s surface when cold.
Unlike standard mugs, color-changing mugs require gentler care to preserve the heat-reactive coating. Hand-wash only — avoid the dishwasher and abrasive scrubbers, which can damage the finish and reduce the effect.
The mug is safe for short microwave use when heating liquids, but repeated high-heat cycles may shorten the lifespan of the coating. Always allow the mug to cool before washing.
Available in one classic size: 11 oz (approximately 330 ml). It’s large enough for most standard coffee makers and fits comfortably in most cabinets.
Size guide
All measurements are product dimensions in inches.
| 11 oz | |
|---|---|
| Height (in) | 3.78 |
| Diameter (in) | 3.23 |
| Diameter w/ handle (in) | 4.76 |
Note: measurements are approximate; slight variations may occur due to manufacturing tolerances.