The ACME Union Mug is a 230ml (7.80oz) durable porcelain mug modelled on the 1950s Aotearoa, New Zealand Waterfront Union cafeteria mug, suited to milk-based espresso drinks, tea, and filter coffee. Available in six colours (Dolphin, Kawakawa, Kokako, Milk, Penguin, and Weka) as a single cup or a 6-pack.
The Union Mug draws its proportions directly from the robust cafeteria mugs used in New Zealand's 1950s waterfront workers' canteens. That heritage translates into a form that feels substantial in the hand and sits confidently on a saucer or counter. At 86mm across the outside and 87mm tall, it has the upright, no-nonsense stance of a working mug rather than a decorative one.
The Union Mug is made from durable porcelain, a material chosen for its heat retention and resistance to the knocks of a busy counter. Each mug is handmade, so glaze coverage and finish carry subtle natural variation between units. The mug is dishwasher safe, including commercial dishwashers, which matters in a café setting where hand-washing is not practical. The stackable profile keeps storage tidy whether on a shelf or behind an espresso bar.
At 230ml total capacity and a functional volume of 200ml, the Union Mug is sized for flat whites, cortados, small lattes, and teas where the drink fills the cup rather than leaving headroom. The 74mm base diameter gives it a stable footprint, and the outside diameter of 86mm keeps the form compact enough for standard saucers.
| Specification | Value |
|---|---|
| Total capacity | 230ml (7.80oz) |
| Functional volume | 200ml |
| Outside diameter | 86mm (3.39in) |
| Base diameter | 74mm (2.91in) |
| Height | 87mm (3.43in) |
| Material | Durable porcelain |
| Dishwasher safe | Yes, including commercial dishwashers |
| Stackable | Yes |
| Single cup weight | 0.3kg |
| 6-pack weight | 1.96kg |
| Available colours | Dolphin, Kawakawa, Kokako, Milk, Penguin, Weka |
The ACME Union Mug suits home baristas and café operators who want a durable, stackable porcelain cup sized for milk-based espresso drinks, flat whites, teas, and filter coffee. Its commercial dishwasher rating makes it practical for café use, and the 6-pack option suits those equipping a bar or a household that entertains.
The Union Mug is not suited to larger drinks: at 230ml total capacity it does not accommodate a standard 12oz latte or any drink requiring more than 200ml of functional volume. Each mug is handmade porcelain, and glaze, finish, and final volume will vary between individual units.
The ACME Union Mug has a total capacity of 230ml and a functional volume of 200ml, making it well suited to flat whites, cortados, small lattes, teas, and filter coffee. It is not sized for larger milk drinks such as a 12oz latte.
Yes. The ACME Union Mug is rated for commercial dishwashers, so it is practical for café use where hand-washing between services is not feasible.
Not exactly. Each ACME Union Mug is handmade from porcelain, and natural variation in glaze coverage and finish means individual mugs will differ subtly. Final volume may also vary slightly between units as a result of the handmade process.
Yes. The ACME Union Mug is designed to stack, which keeps storage compact whether on a café shelf or in a home cupboard.
The ACME Union Mug measures 86mm (3.39in) across the outside, 74mm (2.91in) at the base, and 87mm (3.43in) tall. These dimensions make it compatible with standard espresso saucers.
At CoffeeRoast Co., we are passionate about coffee. Every piece from our catalog is designed and rigorously tested to make sure you get perfect and consistent roasts every time.
We’ve partnered with various manufacturers that operate around the globe under a strict set of guidelines both on a local and corporate level so that when you shop with us, you will be able to select from the highest quality coffee roasters and coffee equipment available on the market.
Whether you are a coffee enthusiast or a small business owner, you're sure to find whatever so you have the perfect roast you've been looking for.
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In most cases, once the order is processed, it is final and not cancellable due to the larger nature of these products. Requests for returns/exchanges after the item has been delivered will be evaluated on a case by case basis. Any return request is subject to an administrative and cancellation fee equal to 10% of your order with a minimum of $35.
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