Home / Color Changing Coffee Mugs / Flag of Tunis during 14th century - Color Changing Mug 11oz
  • Flag of Tunis during 14th century - Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Flag of Tunis during 14th century - Color Changing Coffee Mug - Go Mug Yourself
  • Flag of Tunis during 14th century - Color Changing Coffee Mug - Go Mug Yourself
  • Flag of Tunis during 14th century - Color Changing Coffee Mug - Go Mug Yourself
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Flag of Tunis during 14th century - Color Changing Mug 11oz

Flag of Tunis during 14th century - Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Flag of Tunis during 14th century - Color Morphing Mug Design

This design features a meticulous historical reconstruction of the flag associated with Tunis during the 14th century, documenting medieval North African vexillology.

Historical Heraldry and Composition

The artwork centers entirely on the historical emblem of Tunis from the 1300s, presenting the traditional iconography with clean lines and formal precision. Rendered as a full-colour wraparound decoration, the flag motif occupies the surface with an authentic heraldic layout that reflects the official symbols of the period.

Medieval Heritage and Regional Identity

Rooted in the rich cultural landscape of medieval North Africa, the emblem serves as a direct link to the regional identity and state symbolism of Tunis during the fourteenth century. It captures the distinct vexillological traditions of the era, offering an informative window into the historical iconography used along the Mediterranean during the Middle Ages.

On the Color Morphing Mug

As this ceramic cup transitions from a solid black exterior to reveal the wraparound historical flag upon contact with hot liquid, the 14th-century banner emerges from the dark surface, turning every morning cup of coffee into an unfolding encounter with medieval history as the vessel is turned in the hand.

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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.