Skip to product information
1 of 4

USCG C William Hart WPC 1134 (U.S. Coast Guard) Color Changing Coffee Mug

USCG C William Hart WPC 1134 (U.S. Coast Guard) Color Changing Coffee Mug

100 in stock

Regular price $17.99 USD
Regular price Sale price $17.99 USD
Sale Sold out
Shipping calculated at checkout.

USCG William Hart WPC 1134 Color-Changing Mug: A Tribute at Dawn

This unique mug transforms your morning ritual into a visual celebration of the USCGC William Hart (WPC-1134), a Sentinel-class fast response cutter. The design cleverly integrates the essence of this Coast Guard vessel into a dynamic color-changing experience.

The Heart of the Design

The primary design element showcases a stylized illustration of the William Hart, instantly recognizable with its sleek lines and prominent patrol craft designation, WPC-1134, prominently displayed. This immediately identifies the subject and establishes the connection to the U.S. Coast Guard.

A Transforming Narrative

The mug's most captivating feature is its color-changing ability. When filled with a hot beverage, the scene awakens. Details that are initially muted begin to become vibrant, simulating the dawn. The sunrise washes over the scene, symbolizing the cutter's readiness and ever-present vigilance, ready to respond to any call. The colors will slowly reveal the scene.

Symbolism and Meaning

The artwork pays homage to William Hart, a Coast Guard hero, and symbolizes the cutter's commitment to safety, service, and upholding the law. The dynamic display of the color change represents the ship's constant state of preparedness and commitment to protecting the coastlines and those who use them. This mug transforms from a plain exterior to a colorful tribute to the USCGC William Hart.

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.