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931st Operations Support Squadron (U.S. Air Force) Color Changing Coffee Mug

931st Operations Support Squadron (U.S. Air Force) Color Changing Coffee Mug

100 in stock

Regular price $19.99 USD
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931st Operations Support Squadron Color Changing Coffee Mug - Design Description

This dynamic mug design pays tribute to the 931st Operations Support Squadron (OSS) and its vital role within the 931st Air Refueling Wing. The base design features the squadron’s emblem, incorporating elements that represent the unit's core functions and its affiliation with the Air Force Reserve.

Color Transformation & Symbolism

The magic of this mug lies in its color-changing properties. When a hot beverage is poured, the design undergoes a transformation, revealing hidden details and layers of meaning. This visual change symbolizes the 931st OSS's behind-the-scenes contributions that activate and support the Air Force Reserve's mission readiness. The changing colors themselves mirror the shift from inactive to ready, just as the 931st OSS ensures the transition from planning to execution.

Visual Elements & Representation

The central emblem features the squadron’s official insignia, which symbolizes mission success, while the color-changing background subtly incorporates elements related to air refueling, such as the tanker aircraft. The overall presentation is designed to represent the squadron’s function, its connection with the larger Air Force and Reserve command structure, and the critical support it offers to ensure mission effectiveness.

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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.