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Kokudou 670China (China) (Road Sign) Color Changing Mug 11oz

Kokudou 670China (China) (Road Sign) Color Changing Mug 11oz

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Regular price $17.99 USD
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Kokudou 670China (China) (Road Sign) Color Changing Mug 11oz

This design is a route marker: a bold red road sign with a white inner border, carrying the white designation G670 at its centre.

Visual Elements & Composition

Red fills almost the entire field, with white taking up the rest as a nested rounded-rectangle border that frames the sign. The shapes are simple and flat, drawn in a clean vector style. Nothing competes with the sign itself. The white route number sits dead centre and dominates the composition, so the eye lands on "G670" before anything else.

Meaning & Symbolism

Road markers are how a traveller knows where they are and which way they are headed, and this one follows that logic. The name "Kokudou" is the Japanese term for a national route, and the number 670 identifies this particular road within that network. The "China" in the title places the route in the Chūgoku region of western Honshu. The sign's red-and-white palette and rounded border are the visual language of Japanese road signage, which is why the design reads as instantly recognisable as a highway marker.

Made for the Mug

A road sign is built to be read at a glance from a moving vehicle, and a mug asks for something different. It is turned slowly in the hand, read from the side, and returned to again and again over a morning. The sign's bold central numeral works well at that distance, and the rounded border follows the curve of the cup, so the route marker wraps around the whole mug rather than sitting flat on one face. For anyone who has ever followed a number like this across a map, it turns the everyday coffee break into a small roadside stop.

Size

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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.

  1. Daily routine: fill with any hot beverage to reveal your chosen artwork.
  2. Gifting: the “magic” reveal makes it a memorable present for birthdays, holidays, or office exchanges.
  3. 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.