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Color-Changing
$17.99
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Pint Glass
$19.99
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About this design
Shoudou 239China
Shoudou 239China (China) (Road Sign) Color Changing Mug 11oz
This design is a flat, modern road sign: a bold yellow rounded rectangle, edged in black, carrying the route designation S239 in a single confident line.
Visual Elements & Composition
Yellow dominates the artwork, covering most of the field, with black framing the rounded-rectangle border and setting the lettering apart. White appears only in small accents. The layout is centred and symmetrical, with nothing around the edges to distract from the sign itself. The designation S239 is the only text, and its heavy letterforms and numerals give the piece its punch. The simple shapes and limited palette keep it crisp and graphic.
Meaning & Symbolism
Road signs exist to guide, and this one speaks the language of navigation: a route marker that tells travellers where they are and where they are going. The alphanumeric code is a systematic reference, the kind used to organise roads into networks. The name Shoudou 239China places the design within a collection and ties it to China, so the sign reads as a marker on a journey through Chinese territory, rendered in a modern, utilitarian style.
Designed for the Hand
A mug is turned in the hand, so the sign gets read in passing, one side and then the other, as the cup moves. The rounded rectangle suits a curved surface, and the bold S239 stays legible from any angle. The heat-sensitive surface adds a second layer: the sign is faint when the mug is cold and comes up bright as a hot drink warms it, so every morning cup makes the route marker appear.
- Theme
- Road Sign
- Place
- China
- 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.