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Interstate H3 (U.S. Highways) Black Coffee Mug

Interstate H3 (U.S. Highways) Black Coffee Mug

100 in stock

Regular price $17.99 USD
Regular price Sale price $17.99 USD
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Interstate H3 - Black Mug Design

A route shield from the U.S. Highways series, the Interstate H3 marker turns a piece of road signage into a bold, graphic statement for everyday drinking.

Visual Elements & Composition

The shield form dominates the design, with its distinctive rounded-top outline set against the black ground of the mug. The large numeral 3 sits at the centre, with the H prefix beside it, so the route identifier reads clearly at a glance. The layout is symmetrical and restrained, with no extra ornament competing with the lettering. The contrast between the printed shield and the dark surface gives the image a crisp, signage-like clarity.

Meaning & Symbolism

H-3 is an Interstate highway on Oahu in Hawaii, built to connect Honolulu with the Windward side of the island and the Marine Corps Base Kaneohe Bay. Its route passes through deep valleys and ridgelines, and its construction, finished in 1997, was a long and contested undertaking. The shield itself belongs to the wider U.S. Highways system, a standard visual language that lets travellers recognise a road's number at speed. Put together, the design honours a single road, and a whole system of navigation that most of us only notice when we are lost.

Made for Slow Mornings on the Move

A shield is designed to be read in a moment, and a mug is turned slowly in the hand, so the route marker has time to reveal itself. As the mug rotates, the numeral passes across the eye and the outline of the shield wraps around the curve of the body. It is a good companion for the road-trip planner, the Hawaii fan or anyone who keeps a map in the glovebox. Pour a coffee, pick a route and let the mug do the navigating.

Size

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Glossy black ceramic mugs in two practical sizes — 11 oz (≈330 ml) and 15 oz (≈440 ml). Comfortable C-handle, microwave- and dishwasher-safe, and manufactured to be lead- and BPA-free. Note: printed blacks may read slightly different from the mug’s base color.

These mugs are made from solid ceramic with a glossy glaze that gives a deep, even surface for printing. Sublimation printing embeds ink into the glaze so artwork sits smoothly on the mug rather than simply sitting on top — that means better resistance to fading and scratching during normal use.

They’re available in the classic 11-ounce size for everyday black coffee and tea, and a larger 15-ounce cup if you like extra room for milk, foam or a long pour. The C-shaped handle is wide enough for a secure grip and balances the mug well when full.

  • Material: 100% ceramic with a high-gloss finish for punchy, saturated results.
  • Sizes: 11 oz (≈330 ml) and 15 oz (≈440 ml) — choose your routine size.
  • Printing: sublimation process fuses color into the glaze for durable imagery.
  • Safety: lead- and BPA-free; meets common food-contact safety standards.
  • Design note: very dark artwork and the mug’s black base can produce subtle shade differences — add a thin lighter outline to ensure contrast if needed.

These mugs are at home in the kitchen, on the office desk, or tucked into a morning routine. They work for espresso shots, pour-overs, oat-milk lattes — you name it. The larger size is handy when you want a second cup’s worth without a refill.

  1. Daily use: fill with your preferred brew and sip — the mug handles hot liquids safely.
  2. Office-friendly: fits most standard mug warmers and sits securely on communal trays and kitchen counters.
  3. Gifting: packs well (wrap with a soft layer) and pairs nicely with coffee beans, tea tins, or a small box of biscuits.

Practical tip: for very dark designs, try a thin light border or a small margin so the artwork reads cleanly against the black ceramic.

These mugs are both microwave- and dishwasher-safe, but gentle habits extend the life of the print. We recommend dishwasher use on the top rack and milder cycles when possible.

Hand-washing is the friendliest option: warm water, mild dish soap, and a soft sponge. Avoid steel wool, harsh scouring pads, or blasting with extremely hot industrial cycles. And a quick reminder — don’t microwave an empty mug.

Two sizes: 11 oz (approx. 330 ml) and 15 oz (approx. 440 ml). The smaller cup is the familiar, everyday size; the larger one is for fuller pours and extra-creamy drinks.

Each mug’s mouth and height are proportioned so they’re easy to drink from and easy to clean. If you’re pairing with saucers or nesting in cabinets, expect the 15 oz to be slightly wider and taller than the 11 oz.

Size guide

All measurements are product dimensions in inches.

11 oz 15 oz
Height (in) 3.86 4.72
Diameter (in) 3.35 3.35
Diameter with handle (in) 4.72 5.12

Note: dimensions are nominal — small production tolerances may apply. If you need precise fitment (e.g., for nested storage or custom packaging), please allow a small margin.