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USCG Bluebell WLI 313 Portland Oregon (U.S. Coast Guard) Color Changing Coffee Mug

USCG Bluebell WLI 313 Portland Oregon (U.S. Coast Guard) Color Changing Coffee Mug

100 in stock

Regular price $17.99 USD
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USCG Bluebell WLI 313 Portland Oregon Color Changing Mug: Design Description

A Tribute to River Navigation

The design of this mug celebrates the dedicated service of the USCGC Bluebell (WLI-313), a vital part of the United States Coast Guard. The artwork pays homage to this historic inland buoy tender and its crucial mission of maintaining safe passage on inland waterways.

Color Transformation: A Dynamic Representation

The core visual element is the dynamic color-changing aspect. The mug's design undergoes a transformation when a hot beverage is added. This signifies the ship steaming on and carrying out its mission.

Key Visual Elements

The design prominently features the ship's name, "USCGC Bluebell," along with its hull number, "WLI-313." The lettering style is clean and bold, reflecting the straightforward nature of the Coast Guard's work. It provides the primary visual for the ship. The location of Portland, Oregon is also present.

Symbolism

The overall design reflects the Bluebell's commitment to maritime safety and navigation. The mug design serves as a visual reminder of the essential work performed by the USCGC Bluebell and the broader U.S. Coast Guard, ensuring safe passage and supporting maritime operations on crucial inland waterways. The design's focus on the ship and its service is a direct representation of dedication.

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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.