Skip to product information
1 of 5

Assistant Engineers at Headquarters Army of Potomac, November, 1864 (U.S. Civil War) Color Changing Coffee Mug 11oz

Assistant Engineers at Headquarters Army of Potomac, November, 1864 (U.S. Civil War) Color Changing Coffee Mug 11oz

100 in stock

Regular price $19.99 USD
Regular price Sale price $19.99 USD
Sale Sold out
Shipping calculated at checkout.

Step back in time with our Assistant Engineers at Headquarters Army of Potomac, November, 1864 (U.S. Civil War) Color Changing Coffee Mug. This unique drinkware offers a glimpse into the intriguing history of the American Civil War. The design features illustrations that capture the essence of life during this critical period, showcasing soldiers at work and strategizing in camp. Perfect for anyone who appreciates unique and cool drinkware, especially history buffs seeking to immerse themselves further in the past.

The mug's color-changing ability adds a touch of modernity while still paying homage to the 19th century. As hot liquid is poured into the mug, it transforms from an understated military green to vibrant shades that reflect the passion and intensity of the era. With its sturdy construction and attractive design, this coffee mug will be a treasured addition to your collection.

Gift this one-of-a-kind coffee mug to history enthusiasts or collectors who value thoughtful and unique items that tell a story. The Assistant Engineers at Headquarters Army of Potomac, November, 1864 (U.S. Civil War) Color Changing Coffee Mug is not just a drinkware but a conversation starter, a piece of history, and a daily reminder of the sacrifices made during the American Civil War.

Title
Size

Bulk Discounts Available

These discounts apply to all products.

Buy 2
10% OFF
Buy 3+
20% OFF
Buy 5+
30% OFF
Buy 10+
40% OFF

Automatically applied at checkout.

View full details

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.