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Submarine Readiness Squadron 31 (U.S. Navy) Color Changing Mug 11oz

Submarine Readiness Squadron 31 (U.S. Navy) Color Changing Mug 11oz

100 in stock

Regular price $17.99 USD
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Submarine Readiness Squadron 31 Color Changing Mug - Design

This striking mug celebrates the dedication and vital role of Submarine Readiness Squadron 31 (SUBRON 31) in maintaining the operational prowess of the U.S. Navy's submarine fleet. The design undergoes a dramatic transformation with the introduction of heat, mirroring the dynamic nature of submarine operations and the Squadron's commitment to readiness.

Initial Cold State: A Silent Watch

In its initial, cold state, the mug displays a predominantly dark design, symbolizing the secrecy and stealth of submarines. The central focus is a bold emblem of SUBRON 31, proudly displayed as the guiding presence for the squadron. This emblem subtly hints at the vital role of the unit.

Transformation Under Heat: Revealing the Depth

As the mug is filled with a hot beverage, the magic begins. The dark background fades away, revealing a vibrant visual representation of the submarine service. The submarine design comes to life, a dynamic depiction of the power and precision of the underwater fleet. This color shift highlights the hidden capabilities and the readiness that SUBRON 31 fosters.

A Symbol of Readiness

This color-changing mug isn't just a vessel for your favorite drink; it's a statement. It represents the unwavering commitment of SUBRON 31 to prepare submarines and their crews for any mission. The design embodies the silent strength and ever-present vigilance that defines the submarine service, ensuring our nation's safety, one mission at a time.

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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.