About the PILATUS double-wall drinking glass setDiscover the art of presentation with the PILATUS double-wall drinking glass set. Whether you're hosting a stylish dinner party or enjoying a drink with friends, these elegant glasses add a wow factor to special occasions with their beautiful design and innovative thermal properties. The PILATUS glasses are hand-blown from heat-resistant borosilicate glass and keep hot and cold drinks at their optimum temperature for longer. At the bottom of the glass is a sophisticated silicone valve that regulates the outside temperature – so you can hold your hot drink in your hand without scalding yourself, and serve a cocktail or chilled dessert without causing unsightly condensation. But it's the design that will impress your guests the most. The outer wall of the glass has a waveform that fits comfortably in the hand and looks impressive. The double-walled glass gives your drink the appearance of floating in the air. So your drinks will look as good as they taste! Key Features and BenefitsSet of double-walled drinking glasses.Innovative double-walled design that keeps hot drinks hot and cold drinks cold. Also perfect for serving soup or cold desserts.Made of hand-blown, heat-resistant borosilicate glass. Hydrophobic silicone valve that balances the air pressure between the two glass walls. Suitable for dishwasher, microwave and oven (up to 176 ºC). Available in different sizes. Use and careRinse the glasses in warm soapy water before first use and dry them thoroughly. For all other uses, rinse and dry the glasses by hand or place them in the dishwasher. The PILATUS double-walled glasses can be safely used in the freezer, in the oven and in the microwave. Colour: transparent Material: borosilicate glass, silicone Dimensions: LxWxH: 8.00 x 0.08 x 8.00 cm