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Opal Glass Coffee Cup & Saucer | Warm Touch, Not Hot

Opal Glass Coffee Cup & Saucer | Warm Touch, Not Hot

FeatureDescription
Warm Exterior, No BurningOpal glass conducts heat slowly — the cup feels warm to signal fresh coffee, but stays comfortable to hold bare-handed.
Better Than Steel, Ceramic or PlasticSteel scalds instantly, thin ceramic stings, plastic blocks all warmth. Opal glass gives a pleasant middle-ground grip.
No Sleeve or Double Cup NeededLow heat transfer through the opal glass wall means guests can pick up espresso or latte cups right after pouring.

Video and What We Can Customize for you

Size Customization

Available in 85 ml, 145 ml, 190 ml & 250 ml — each cup paired with a proportion-matched opal glass saucer.

Five opal glass tones: White, Black, Jade Green, Topaz Yellow, Milky White — uniform gloss on both cup and saucer.

Add your brand via decal, low-temperature embossing, or screen print — applied to the opal glass cup and saucer surface.

Round, tulip, tapered, or stackable cup profiles — each designed to sit securely on the opal glass saucer rim.

Retail gift box or bulk carton — customized with your brand artwork, protective inserts, and labeling needs.

Four Best-Selling Decal Designs

The four designs on the right are the best-selling in this series so far, and here are the top 5 countries that have been inquiring the most:

    1. Germany – espresso, cappuccino & afternoon cake
    2. USA – drip coffee, latte & brunch drinks
    3. France – café crème & breakfast pastries
    4. Indonesia – kopi tubruk & condensed milk coffee
    5. Vietnam – cà phê sữa đá & egg coffee

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FAQs

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Commernts Question People Often Curious

It gathers the five most frequently asked questions by users regarding this product. If you are also interested, you can click to have a look.

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Why does an opal glass coffee cup feel warm but not scalding?
Opal glass has a thermal conductivity of about 1.1 W/mK, compared to 14.3 for stainless steel and 3.8 for ceramic. Heat moves through the wall slowly, so the outside feels warm — enough to tell you the coffee is fresh — without burning your fingers. No sleeve required.
A steel mug gets too hot to touch within seconds. Thin ceramic radiates enough heat to sting. Plastic blocks warmth entirely, removing the “hot coffee” feel. Opal glass sits between — you sense the heat comfortably, which most coffee drinkers actually prefer.
Yes. The cup is tempered through a controlled heat-and-cool process, giving it strong thermal shock resistance. You can pour freshly brewed espresso or steamed milk without cracking. The saucer stays cooler than the cup, making the whole set easy to lift from a tray.
No. Low thermal conductivity is a physical property of the opal glass material itself — it does not wear off with washing or age. Hand-washed or run through a commercial dishwasher, the cup performs the same on day one and years later. There is no coating to degrade.
Yes. A thicker wall makes the outside cooler — suitable for extra-hot drinks. A thinner wall lets more warmth through for those who enjoy feeling the heat of their coffee. Our team adjusts thickness at production while keeping the saucer profile and stackability unchanged.
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