• Washington, D.C. Field Relief Wagons and Workers of U.S. Sanitary Commission (U.S. Civil War) Color Changing Coffee Mug 11oz-11oz-Go Mug Yourself
  • Washington, D.C. Field Relief Wagons and Workers of U.S. Sanitary Commission (U.S. Civil War) Color Changing Coffee Mug 11oz-Go Mug Yourself
  • Washington, D.C. Field Relief Wagons and Workers of U.S. Sanitary Commission (U.S. Civil War) Color Changing Coffee Mug 11oz-Go Mug Yourself
  • Washington, D.C. Field Relief Wagons and Workers of U.S. Sanitary Commission (U.S. Civil War) Color Changing Coffee Mug 11oz-Go Mug Yourself
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Washington, D.C. Field Relief Wagons and Workers of U.S. Sanitary Commission (U.S. Civil War) Color Changing Coffee Mug 11oz

Washington, D.C. Field Relief Wagons and Workers of U.S. Sanitary Commission (U.S. Civil War) Color Changing Coffee Mug 11oz

100 in stock

$19.99 USD
$19.99 USD
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The Washington, D.C. Field Relief Wagons and Workers of the U.S. Sanitary Commission refer to an essential aspect of medical support during the U.S. Civil War. These field relief wagons were a critical component of the U.S. Sanitary Commission's efforts to provide aid and assistance to Union soldiers, particularly in Washington, D.C., which served as a major hub for wounded troops. The U.S. Sanitary Commission was a civilian organization established during the Civil War with the goal of improving the health and sanitation conditions for Union troops. The field relief wagons were instrumental in transporting medical supplies, food, clothing, and other necessities to soldiers on the front lines. The workers responsible for operating these wagons played a vital role in ensuring the well-being and survival of the Union army. This aspect of the U.S. Civil War highlights the significant contributions made by civilian organizations in supporting military efforts and humanitarian aid during times of conflict. It serves as an example of cooperation between civilians and the military, demonstrating the importance of logistical support in warfare.
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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.