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Flag of Yekaterinburg Russia - Color Changing Mug 11oz

Flag of Yekaterinburg Russia - Color Changing Mug 11oz

100 in stock

Regular price $17.99 USD
Regular price Sale price $17.99 USD
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Flag of Yekaterinburg - Color Morphing Mug Design

This design reproduces the flag of Yekaterinburg, the administrative centre of Sverdlovsk Oblast in Russia, as a formal, heraldic emblem built around a few deliberate symbols.

Visual Elements & Composition

Blue is the dominant colour, and the flag's composition rests on a wavy blue line running through the field. A mine shaft and a furnace sit within the design as its main figures. The layout is orderly and symmetrical in the manner of heraldry, so each element reads clearly and holds its place without decoration for its own sake.

Meaning & Symbolism

The flag is formally based on the city's official coat of arms and was adopted on May 23, 2008. The mine shaft and furnace stand for Yekaterinburg's industrial and mining heritage, a history of metallurgy that shaped the city's growth. The wavy blue line represents the Iset River, tying the emblem to the regional geography that gave the city its foundations. Together the symbols express civic pride, historical continuity and a sense of regional identity.

Why It Suits This Mug

A mug is held in the hand and turned slowly while it is drunk from, so the emblem is seen in pieces as the cup moves, rather than all at once. This mug's heat-reactive surface adds a second moment: the design is only faintly visible when the cup is cold and comes into focus once a hot drink is poured in. The flag's bold blue lines and clear symbols are suited to that reveal, giving the city's emblem a small, personal moment each time the mug is filled.

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.