Home / Color Changing Coffee Mugs / Atlantic Ocean Floor (1968) (Map) Color Changing Mug 11oz
  • Atlantic Ocean Floor (1968) (Map) Color Changing Mug 11oz Default Title 11oz - Go Mug Yourself
  • Atlantic Ocean Floor (1968) (Map) Color Changing Mug 11oz - Go Mug Yourself
  • Atlantic Ocean Floor (1968) (Map) Color Changing Mug 11oz - Go Mug Yourself
  • Atlantic Ocean Floor (1968) (Map) Color Changing Mug 11oz - Go Mug Yourself
  • Atlantic Ocean Floor (1968) (Map) Color Changing Mug 11oz - Go Mug Yourself
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Atlantic Ocean Floor (1968) (Map) Color Changing Mug 11oz

Atlantic Ocean Floor (1968) (Map) Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Atlantic Ocean Floor (1968) - Color Morphing Mug Design

This is a map of the seabed, drawn to show the Atlantic as if the water were stripped away, with its mountains, trenches and plains laid bare.

Visual Elements & Composition

The Atlantic runs the full length of the design, its basin shaded in layered blues that deepen toward the outer margins and lighten where the land rises. The Mid-Atlantic Ridge cuts down the centre as a long, pale spine, with a rift valley running along its crest. Nothing competes with the seabed. The map is continuous and unframed, so the eye travels from one shelf to the next without a border to stop it.

Meaning & Symbolism

Marie Tharp and Bruce Heezen produced this view of the ocean floor in 1968, at a time when the seabed was still largely unknown and often imagined as flat. Their soundings revealed the ridge and its rift, and the evidence they gathered helped confirm that the continents drift and the ocean floor spreads. The map therefore records a turning point in earth science, when a hidden landscape became something people could read and trust.

Where the Artwork Meets the Mug

A mug is turned in the hand and read from one side and then the other, so the ridge and its valley travel past the eye as the cup moves. The design only appears once the drink is poured, so the seabed surfaces gradually as the mug warms, the way the ocean floor came into view one sounding at a time. Each sip brings another stretch of the Atlantic into sight.

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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.