Double Wall Glass Coffee Mug, Clear Heat-Resistant Cup
Start the morning with coffee that stays warm while the glass stays cool to the touch. The clear, lead-free body shows every layer of your latte, and four sizes from 150ml to 450ml fit an espresso, a standard cup or a full desk pour.
Read the full descriptionDescription
Start the morning with coffee that stays warm while the glass stays cool to the touch. The clear, lead-free body shows every layer of your latte, and four sizes from 150ml to 450ml fit an espresso, a standard cup or a full desk pour.
Double-wall glass that keeps drinks warm with a cool outer surface, showing off your coffee in crystal-clear lead-free glass
- hot drinks cooling too fast
- burning fingers on hot mug walls
- plain mugs hiding drink appearance
- concerns about lead or unsafe glass
Keep your coffee warm, not your fingers burnt
Coffee that cools before you finish it and a mug that scorches your hand: that is the old routine. This double-wall glass keeps the drink hot inside, stays cool outside, and lets you see every layer of your latte.
A cool outer layer that protects your hand

A cool outer wall
Two walls with a layer of air between them slow the heat leaving your coffee. The outside stays cool enough to hold while the drink stays hot inside, so the same cup does not need a third trip to the microwave by mid-afternoon.

See every layer
Crystal-clear, lead-free glass shows the coffee, milk and tea colour, so you always know what is in your cup. Latte layers stay visible from the first sip to the last.

Made for daily rituals
Four capacities from 150ml to 450ml cover a short espresso, a standard latte and a full desk pour. The glass handles temperatures from -20 to 130°C, so the same mug works for coffee, tea and café-style drinks.
Keep it clear and it lasts
- Rinse soon after use
Coffee and tea stains can settle into clear glass if left for hours. A quick rinse keeps the wall bright.
- Warm before you pour
Run hot tap water into the mug first, then pour slowly. This avoids sudden temperature stress on the glass.
- Soft sponge only
Use mild detergent and a soft sponge. Abrasive pads leave fine scratches that dull the clear look.
Compact size, wide temperature range
- 7.4 cmMouth diameter
- 4.5 cmBase diameter
- 8 cmHeight
- -20 to 130°CHeat range
Characteristics
Reviews
Questions and answers
Yes. The glass is rated from -20 to 130°C, so freshly brewed coffee and hot tea are fine. Warm the mug with hot tap water before the first pour and avoid moving it straight from the fridge into boiling liquid. Sudden temperature jumps are what stress any glass.
The packaging states the glass is safe and lead-free, and the body is made from high borosilicate heat-resistant glass. It is crystal clear with no tint, so you can see the inside clearly when you rinse it. If you want the same clear finish in a larger format, browse the glass mug range.
Yes. The air layer between the two walls slows heat loss, so the drink stays warmer than it would in a single-wall glass while the outer surface stays comfortable to hold. Pre-warming the mug with hot water gives you the best result from the first sip.
The 150ml size is built for a single espresso or a short macchiato. The 250ml suits a latte or flat white, the 350ml is a standard mug for a regular coffee, and the 450ml is the full desk pour for a long morning.
The 150ml size is rated for around 300 days of daily use, so the cost per cup drops fast over the life of the mug. You also get a double wall that keeps your drink warmer for longer and a clear body that lets you see what you are drinking, which a ceramic mug cannot do.
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