Warmer for longer
See all your infusions in a new light with these elegant, hand-crafted tea glasses, made from strong, ultra-light, heat-resistant borosilicate glass.
We love the way the liquid appears to float in these sleek, contemporary Double Walled Glass Mugs – an illusion due to their clever twin-layer construction. They may look delicate, but borosilicate glass is resistant to thermal shock and surprisingly durable, making these mugs an ideal vehicle for both hot and cold brews. Whether you’re serving a fruity iced tea or a steaming-hot sencha, the outer wall of these mouth-blown glasses provides effective insulation, keeping the surface cool to the touch.
Why Choose Luxury Glassware?
Unlike ceramics, glassware allows you to see a tea’s beautiful and distinctive colours, making each cup a luxurious experience. Match these versatile Double Walled Glass Mugs with one of our glass teapots and your favourite speciality tea from our online store.
Caring For Your Double Walled Glass Mugs
Borosilicate glass is made mainly of silica (70-80%) and boric oxide (7-13%), with smaller amounts of alkalis (sodium and potassium oxides) and aluminium oxide. Used in cookware and chemistry labs, it’s renowned for its resistance to thermal shock. However, as a glass product, a certain amount of care still needs to be taken:
• Please be careful when placing ice into the glass mugs and when using metal spoons to avoid fracturing the inner layer. We suggest first pouring in the liquid, followed by the ice.
• If the ambient temperature in the kitchen is low, warming up the mugs before use will help them last longer. The glass is less likely to break or shatter if you warm it up gradually. Once you have poured in the hot tea, avoid resting the mugs on cold surfaces.
• Please note that you will find a small air-hole at the bottom of the glass. This is not a flaw but a safety measure, put in place to control the air pressure between the walls. Simply rinse with hot water and avoid using the dishwasher. Clean the bottom gently with a soft sponge and avoid putting pressure on the hole. Avoid brushing, otherwise water may become trapped inside the opening and fog up between the two walls.