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Flag of Diepholz Germany - Color Changing Mug 11oz

Flag of Diepholz Germany - Color Changing Mug 11oz

100 in stock

Regular price $17.99 USD
Regular price Sale price $17.99 USD
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Flag of Diepholz Germany - Color Morphing Mug Design

The design features the official municipal flag of Diepholz, displaying the historic regional heraldry of Lower Saxony on a vibrant field.

Visual Layout & Heraldic Composition

The artwork centers on the traditional crest and colours associated with the Lower Saxony town, arranged in a bold wraparound format across the heat-reactive surface. Against the deep black exterior of the ceramic vessel, the design remains faintly visible until activated.

History & Civic Symbolism

This vexillological emblem draws directly from the civic identity of Diepholz, a historic town situated in northwestern Germany with deep roots in the Lower Saxony region. The flag's motifs and tincture reflect centuries of local heritage, territorial governance, and community pride.

On the Color Morphing Mug

As hot liquid is poured inside, the ceramic cup transforms, shedding its opaque black exterior to gradually unveil the vivid wraparound flag decoration in full color. The curved handle anchors the movement as you turn the mug in your hand, watching the heraldry emerge from the heat-sensitive surface before returning to black as it cools.

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.