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USAF 939th Air Refueling Wing (U.S. Air Force) Color Changing Coffee Mug

USAF 939th Air Refueling Wing (U.S. Air Force) Color Changing Coffee Mug

100 in stock

Regular price $19.99 USD
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USAF 939th Air Refueling Wing Color Changing Coffee Mug - Design

This striking coffee mug celebrates the legacy of the USAF 939th Air Refueling Wing. The design offers a dynamic visual experience, transforming with the addition of a hot beverage.

Initial Cold State: A Tribute to History

In its initial, cold state, the mug showcases a detailed rendering of the KC-135 Stratotanker, the workhorse of air refueling operations, central to the wing's mission. The iconic aircraft is depicted soaring across a backdrop representing a clear, open sky, suggesting the vast distances the unit’s tankers traversed. Above the aircraft is the 939th ARW emblem, its colors and symbols ready to reveal themselves.

The Transformation: Revealing the Wing's Identity

As the mug is filled with a hot beverage, the magic begins. The background subtly transforms, and the colors of the 939th ARW emblem come to life. The colors provide a stunning contrast to the deep hues. The change serves as a visual metaphor, representing the vital work of the 939th ARW in bringing mission readiness and strategic reach to the forefront.

Symbolism

The design, particularly the color-changing effect, symbolizes the dynamic and often unseen contributions of the 939th ARW. The mug pays homage to the unit’s vital role in extending the reach of U.S. Air Force operations and the global impact of aerial refueling, constantly ready to support the mission.

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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.