Home / Color Changing Coffee Mugs / Mediterranean as of September 1 (1939) (Map) Color Changing Mug 11oz
  • Mediterranean as of September 1 (1939) (Map) Color Changing Mug 11oz Default Title - Go Mug Yourself
  • Mediterranean as of September 1 (1939) (Map) Color Changing Mug 11oz - Go Mug Yourself
  • Mediterranean as of September 1 (1939) (Map) Color Changing Mug 11oz - Go Mug Yourself
  • Mediterranean as of September 1 (1939) (Map) Color Changing Mug 11oz - Go Mug Yourself
  • Mediterranean as of September 1 (1939) (Map) Color Changing Mug 11oz-Go Mug Yourself
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Mediterranean as of September 1 (1939) (Map) Color Changing Mug 11oz

Mediterranean as of September 1 (1939) (Map) Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Mediterranean as of September 1 (1939) - Color Morphing Mug Design

This is a political map of the Mediterranean basin, fixed to the single day that Europe's peace ended.

Visual Elements & Composition

The sea and the coastlines fill the frame. Europe runs along the northern edge, North Africa stretches along the southern, and the Levant and Aegean sit at the eastern end, so the whole basin reads as one connected body of water. Borders, coastal outlines and place names carry the design, and the map is drawn with the clarity of a reference chart rather than an illustration. Nothing decorative competes with the geography, so the eye moves from shore to shore and then settles on the boundaries that matter.

Meaning & Symbolism

The date in the title is the point of the map. On 1 September 1939, German forces invaded Poland, and Britain and France declared war two days later. A map labelled for that morning records the Mediterranean as it stood at the moment the Second World War began, with the territories, alliances and colonial holdings that would soon be fought over. Maps of this kind were working documents for readers following the news, so the design carries the tension of a moment still unresolved.

Designed for the Hand

A mug is turned in the hand as you drink, so the map moves across your view in pieces rather than all at once. The heat-reactive surface adds a second layer: the chart is faint when the mug is cold and comes up clearly once a hot drink goes in, as if the sea were being revealed slowly. As the mug cools, the map fades back, which suits a design about a date that was briefly sharp and then passed into history.

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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.