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  • Flag of Bottrop Germany - Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Flag of Bottrop Germany - Color Changing Coffee Mug - Go Mug Yourself
  • Flag of Bottrop Germany - Color Changing Coffee Mug - Go Mug Yourself
  • Flag of Bottrop Germany - Color Changing Coffee Mug - Go Mug Yourself
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Flag of Bottrop Germany - Color Changing Mug 11oz

Flag of Bottrop Germany - Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Flag of Bottrop - Color Morphing Mug Design

The design showcases the official municipal flag of Bottrop, Germany, featuring the distinctive horizontal bicolor of red and white alongside the city's heraldic emblem.

Heraldic Composition

The visual field is anchored by a bold, horizontally split background of deep red and stark white. Centered prominently is the Bottrop coat of arms, a symbol rich in local history. The graphic work utilizes clean, geometric lines to separate the two color bands, while the shield—depicting the traditional mining equipment and motifs synonymous with the region’s industrial heritage—serves as the primary focal point of the composition. The saturation of the red against the neutral white provides a striking contrast that dominates the wraparound layout.

Civic Identity

This imagery functions as a direct representation of Bottrop’s administrative identity. The inclusion of the city crest serves as a nod to the North Rhine-Westphalia region, specifically honoring the mining roots that transformed the local landscape during the 20th century. By displaying these specific heraldic elements, the design acts as a shorthand for regional pride and the historical character of the Ruhr area, connecting the bearer to a lineage of industry and civic development.

On the Color Morphing Mug

As you pour your morning coffee, the heat-reactive surface acts as a veil, gradually peeling back the black exterior to reveal the vibrant red and white flag beneath. Because a mug is turned in the hand during use, the wraparound nature of this artwork ensures that the city crest remains a centerpiece throughout your beverage ritual, moving in tandem with every sip.

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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.