Bodum has come up with a way to sandwich air between two layers of Pyrexlike glass, yielding pleasant-to-hold tumblers that keep espresso hot and sake cold. Pavina Double Wall Thermal Iced Tea Glasses come in a Set of 2. The thermal insulation makes these great cold beverage glasses, coffee mugs or bar glasses. No sweating like typicla cold temperature glasses and not scalding to the touch for hot beverages.

capacity: 21 oz
size: 3.25 in. diameter / 8 in. tall

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Bodum's insulated glassware is made from durable Borosilicate glass. Borosilicate glass is a strong heat-resistant glass that weighs less than traditional glassware. Used to make scientific lab glass, borosilicate glass (medical grade glass) is stronger than traditional "soda-lime" glass and can be used for everything from drinkware to cookware. Borosilicate glass substitutes boron oxide in place of the soda and lime used in traditional glassware. The boron oxide acts as a glue holding the silicate together and due to the small size of boron particles, the glass is held together tighter, resulting in a stronger glass. Some customers may perceive the glass to be "thin" as they hold it. It is important to explain the difference between borosilicate and soda lime glass. Borosilicate glass doesn't need to be as thick as traditional glass to be just as strong. Borosilicate is simply a different type of glass that is resistant to temperature swings and scratching. Because the particles are held together so tightly, borosilicate glass is dishwasher safe and will not become cloudy over time; you can rest assured that after 100 cycles, the glass will be as clear as the day you bought it. Simply treat it as you would any glass product and it will stand up to every day use. Dishwasher & microwave safe.