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  • California Division of Boating and Waterways - Color Changing Coffee Mug 11oz - Go Mug Yourself
  • California Division of Boating and Waterways - Color Changing Coffee Mug - Go Mug Yourself
  • California Division of Boating and Waterways - Color Changing Coffee Mug - Go Mug Yourself
  • California Division of Boating and Waterways - Color Changing Coffee Mug - Go Mug Yourself
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California Division of Boating and Waterways - Color Changing Mug 11oz

California Division of Boating and Waterways - Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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California Division of Boating and Waterways - Color Morphing Mug Design

This is the emblem of the state agency that oversees boating and waterways across California, and it puts the water front and centre.

Visual Elements & Composition

The mark is built on a nautical theme, with its imagery and lettering arranged so the agency's name reads clearly as one unit. Nothing here is decorative for its own sake. Every element points toward the water, the vessels that travel on it, and the public places where people launch, moor and enjoy it. Because the mug carries a full wraparound print, the emblem can run around the body rather than sitting in a single box, so the eye follows the design as the cup is turned.

Meaning & Symbolism

A state boating agency exists to keep waterways navigable, safe and open to the public, and its emblem is a promise to do that work. Waves and watercraft signal the agency's remit; the official name signals public responsibility. Seals and emblems like this have a long history in government identity, designed to be recognised at a glance on boats, docks and signage. Put on a mug, it turns an official crest into something personal, a reminder of the people who keep California's harbours and lakes in working order.

Turning the Story Over in Your Hands

This design is built for a mug that changes. When cold, the emblem sits quietly and faintly; pour in something hot and it surfaces, as if the agency's mark is rising out of the depths. That reveal suits a mug, which is turned, lifted and held close during the first warm sip. It makes a playful gift for anyone who has spent a weekend on the water, or who has been talked into one more trip to the marina, and it gives the morning coffee a small, cheeky show.

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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.