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  • Flag of Groningen Netherlands - Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Flag of Groningen Netherlands - Color Changing Coffee Mug - Go Mug Yourself
  • Flag of Groningen Netherlands - Color Changing Coffee Mug - Go Mug Yourself
  • Flag of Groningen Netherlands - Color Changing Coffee Mug - Go Mug Yourself
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Flag of Groningen Netherlands - Color Changing Mug 11oz

Flag of Groningen Netherlands - Color Changing Mug 11oz

100 in stock

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

This design reproduces the flag of Groningen, the city and province in the north of the Netherlands, as a flat, confident emblem of place.

Visual Elements & Composition

The flag is built from simple, flat fields of colour with clean edges and no shading, so the eye reads it in a single glance. Its geometry is the point: a few bold blocks that hold together as an image. Because the design wraps the full curve of the mug, the fields meet and run around the cup, so the flag reads as one continuous band rather than a rectangle pinned to a surface.

Meaning & Symbolism

Regional flags like this one work as shorthand for belonging. Groningen's emblem stands for a city and a province that have long defined themselves on their own terms, with a strong sense of local identity and a northern character that sets it apart from the rest of the country. Carrying the flag onto everyday objects is a way of saying where you come from, or where you have spent time and grown fond of it.

Made for the Hand

A mug is held and turned, so the flag is seen in pieces: a field of colour at the handle, the edge of a band as the cup tilts toward the mouth. Each turn brings a different part of the emblem into view. The design is also a hidden layer. Its colours are faint when the mug is cold and come forward once a hot drink is poured in, so the flag appears gradually, the way a place reveals itself the longer you stay.

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.