Skip to product information
1 of 4

Flag of Frankfurt an der Oder Germany - Color Changing Mug 11oz

Flag of Frankfurt an der Oder Germany - Color Changing Mug 11oz

100 in stock

Regular price $17.99 USD
Regular price Sale price $17.99 USD
Sale Sold out
Shipping calculated at checkout.

The Municipal Banner of Frankfurt an der Oder - Color Changing Mug Design

This design features the official civic flag of Frankfurt an der Oder, capturing the historic heraldry of this Brandenburg city on the banks of the Oder River.

Heraldic Composition

The design utilizes the traditional vertical bicolor of green and red, overlaid with the city’s coat of arms. The shield displays a stylized depiction of a crest featuring a silver cock standing atop a crenelated wall, rendered in sharp, vibrant detail against the field. The composition centers these elements to maintain a balanced, symmetrical presentation that anchors the flag’s historical iconography.

Symbolism and Heritage

The flag serves as a visual bridge to the city's long-standing status as a significant Hanseatic trading center. The red and green fields represent the traditional municipal colors, while the cock—a motif derived from the city’s medieval seal—symbolizes vigilance and the dawn of a new era for this border city. By incorporating these specific historical emblems, the design honors the civic identity and the dual cultural legacy that Frankfurt an der Oder has held since its founding in the 13th century.

On the Color Morphing Mug

As you fill this vessel, the heat-reactive surface acts as a veil, slowly lifting to reveal the colorful municipal emblem from the darkness of the black exterior. The mug’s cylindrical form requires you to rotate it in your hands to fully appreciate the wraparound nature of the design, moving from the flag’s bold vertical stripes to the intricate detailing of the shield. It turns a standard coffee break into a slow-motion unveiling of civic history, where the hidden reaches of the design only fully emerge once the mug reaches the right temperature.

Size

Bulk Discounts Available

These discounts apply to all products.

Buy 2
10% OFF
Buy 3+
20% OFF
Buy 5+
30% OFF
Buy 10+
40% OFF

Automatically applied at checkout.

View full details

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.