About the canteen double wall glassesmeeting a friend for coffee, cradling a cup of tea on a rainy day sometimes the smallest pleasures deliver the biggest enjoyment. Now you can make these moments even more unique, courtesy of bodums canteen double wall glasses. An elegant addition to your kitchenware, our double wall glasses are as stylish as they are functional. Each glass is individually mouth-blown from borosilicate glass to produce a thermal effect. This keeps hot and cold drinks at their desired temperature for longer, while a clever silicone valve regulates the external temperature of the glass - so you can wave goodbye to scalded fingers and messy condensation. But its their appearance that dazzles. The double wall design produces an eye-catching optical illusion that makes the liquid appear as if its floating in the glass. So whatever youre serving, it will look truly sensational. From coffee, tea and cocoa to cocktails, cold brew and chilled desserts, canteen is a glass for all occasions.main features benefitsinnovative double wall construction that keeps hot drinks hot and cold drinks cold.ideal for every type of beverage from cocktails to cocoa.also perfect for serving soup or cold desserts.made of mouth-blown, heat-resistant borosilicate glass. Intelligent silicone valve that equalizes the air pressure between the two layers of glass.dishwasher, microwave and oven safe up to 350f176c.use carewash in warm, soapy water before first use and dry thoroughly. For all subsequent uses, wash and dry by hand or pop in the dishwasher. Canteen double wall glasses are safe to use in the freezer, oven and microwave.