About this design
Zeichen 241-31 - getrennter Fuß- und Radweg StVO 1992
Zeichen 241-31 - getrennter Fuß- und Radweg StVO 1992 (Germany) (Road Sign) Color Changing Mug 11oz
This design reproduces German traffic sign 241-31 from the 1992 Straßenverkehrs-Ordnung, the rule that marks a separated pedestrian and cycle path.
Visual Elements & Composition
Royal blue fills most of the surface, with white forming the rest. A circular badge sits at the centre, and inside it a flat, vector-clean pedestrian stands beside a child, holding the child's hand. A bicycle occupies the other side of the circle, and a vertical divider line runs between the two figures, splitting the scene into two clear zones. There is no text or numeral to read, so the image works through shape and placement alone.
Meaning & Symbolism
The sign tells drivers, walkers and riders that pedestrians and cyclists have their own designated lanes, and the divider line makes that separation the whole point. The image comes from German road regulation, where signs are built on high-contrast geometry so they read at a glance from a moving vehicle. Its modern styling reflects the 1992 standard it was drawn to, and the design stands as a precise record of how German traffic law communicated safety.
Why It Suits a Colour-Changing Mug
A mug is held in the hand and turned slowly while you drink, so the circle is always in view at close range. Pour in something hot and the blue-and-white scheme appears from the cold surface, as if the rule only becomes visible once the day warms up. It is a cheeky way to keep a road sign on your desk, and the reveal gives every morning cup a small moment of discovery.
- Theme
- Road Sign
- Place
- Germany
- 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.