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Rio departamental (Colombia) (Road Sign) Color Changing Mug 11oz

Rio departamental (Colombia) (Road Sign) Color Changing Mug 11oz

100 in stock

Regular price $17.99 USD
Regular price Sale price $17.99 USD
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Rio departamental (Colombia) (Road Sign) Color Changing Mug 11oz

This design reproduces the Río Departamental road sign, a warning marker from Colombia's roadways that tells drivers a river forms the boundary between two departments.

Visual Elements & Composition

The composition is flat, minimal and schematic. White fills most of the field, with a vertical orange bar standing upright at the centre. A blue band of water wraps behind the bar in a wavy, ribbon-like curve, and two grey bracket-shaped clips grip the blue band on either side of the orange bar. Nothing else competes for attention, so the eye moves straight from the bar to the water and back again.

Meaning & Symbolism

Colombia's warning signs follow a standard format, and this one is built on it: a yellow diamond with a black border, marking an approaching river. The river itself is the central symbol. Where the sign is paired with a secondary plate, it names the department or river ahead, giving motorists precise geographical context. Its job is practical. It warns of an upcoming bridge crossing, signals a shift in road jurisdiction between regional departments, and prepares drivers for the flooding risks that come with crossing regional waterways. The design is a modern piece of road infrastructure, read here through its colours and its clips.

Crafted for the Hand

A mug is turned in the hand, so the artwork is seen in slow rotations rather than all at once. The blue band rolls around the cup as you turn it, and the orange bar comes back into view with each pass. The image is hidden until a hot drink is poured in, when the river and its clips slowly appear. It makes a considered gift for anyone who likes a little road-trip map to greet them with their first coffee.

Size

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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.