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  • Flag of Bremen with middle arms Germany - Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Flag of Bremen with middle arms Germany - Color Changing Coffee Mug - Go Mug Yourself
  • Flag of Bremen with middle arms Germany - Color Changing Coffee Mug - Go Mug Yourself
  • Flag of Bremen with middle arms Germany - Color Changing Coffee Mug - Go Mug Yourself
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Flag of Bremen with middle arms Germany - Color Changing Mug 11oz

Flag of Bremen with middle arms Germany - Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Flag of Bremen with Middle Arms - Color Morphing Mug Design

This design showcases the middle coat of arms of Bremen, Germany, featuring the city's iconic, stylized key emblem anchored against traditional heraldic colors.

Heraldic Composition and Palette

The visual presentation centers on the historical key, rendered with a clean, authoritative aesthetic that adheres to classic heraldic conventions. The composition utilizes a high-contrast palette of red, white, and gold, creating a bold, symmetrical layout. By focusing strictly on the symbolic representation of the key, the artwork maintains a formal and balanced graphic presence that emphasizes the architectural and civic heritage of the region.

Symbolism and Civic Heritage

The key emblem serves as a storied symbol of Bremen, representing the city’s long-standing identity and historical continuity. By integrating this specific coat of arms, the design functions as a commemorative mark of German history and vexillological tradition. The imagery carries significant cultural weight, reflecting an institutional and professional tone that honors the proud, independent spirit of the Hanseatic city.

On the Color Morphing Mug

As you pour a hot drink into this mug, the heat-reactive surface acts as a veil lifting to reveal the Bremen emblem beneath. The transition from a dark exterior to the high-contrast red and gold of the coat of arms turns the act of brewing coffee or tea into an unveiling of civic history. Because the design wraps around the curvature of the vessel, the key’s symmetry remains visible as you rotate the mug in your hand, bringing a piece of European heraldry into your morning routine.

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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.