Home / Color Changing Coffee Mugs / Charleston, S.C. The Post Office (Old Exchange and Custom House, 122 East Bay) (U.S. Civil War) Color Changing Mug 11oz
  • Charleston, S.C. The Post Office (Old Exchange and Custom House, 122 East Bay) (U.S. Civil War) Color Changing Coffee Mug 11oz Default Title 11oz - Go Mug Yourself
  • Charleston, S.C. The Post Office (Old Exchange and Custom House, 122 East Bay) (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Charleston, S.C. The Post Office (Old Exchange and Custom House, 122 East Bay) (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Charleston, S.C. The Post Office (Old Exchange and Custom House, 122 East Bay) (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Charleston, S.C. The Post Office (Old Exchange and Custom House, 122 East Bay) (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
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Charleston, S.C. The Post Office (Old Exchange and Custom House, 122 East Bay) (U.S. Civil War) Color Changing Mug 11oz

Charleston, S.C. The Post Office (Old Exchange and Custom House, 122 East Bay) (U.S. Civil War) Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Charleston, S.C. The Post Office (Old Exchange and Custom House, 122 East Bay) (U.S. Civil War) Color Changing Coffee Mug 11oz - Design

This captivating mug design transports you back in time to the heart of Charleston, South Carolina, during the tumultuous era of the U.S. Civil War. At its core, the artwork showcases a detailed rendering of the Old Exchange and Custom House, prominently displaying its Georgian architectural details: the symmetrical facade, brick construction, and elegant cupola. The building, rendered in a classic style reminiscent of period illustrations, is the focal point, representing a silent witness to history.

The "color changing" element adds a layer of visual storytelling. In its inactive state, the mug might depict the building in a subdued, almost sepia-toned palette, evoking the passage of time and the echoes of the past. As hot liquid is poured, a transformation begins. The design subtly shifts, potentially revealing or enhancing hidden elements. Perhaps a faint outline of Union soldiers occupying the streets surrounding the building emerges, a visual reminder of the building’s changing role and the war's impact on Charleston. Alternatively, it might reveal the colors of the Confederate flag or insignia, a bold symbol of a city deeply entwined with the Confederate cause. Or, as the mug warms, the design could show figures, symbols, or hidden details that are revealed.

The symbolism is layered. The Old Exchange, a steadfast structure, stands for the endurance of Charleston itself. The potential color change reflects the shifting tides of war, the changes in power, and the evolution of the city's role during a period of intense conflict. It's a visual metaphor for the building’s, and the city's, capacity to survive and adapt amidst turmoil. The mug becomes more than just a drinking vessel; it’s a conversation starter, an invitation to reflect on the complexities and sacrifices of the Civil War era, viewed through the lens of one of Charleston's most iconic buildings.

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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.