: Made of high quality borosilicate glass, which is a special glass material with high temperature resistance, high strength, high hardness, high light transmittance, and high chemical stability. The cup will not break easily even at high temperatures. All glassware is fragile, so handle and wash with care. Unique appearance: Simple and smooth lines, crystal clear glass, very beautiful when placed on the dining table. The double-insulated walls and transparent body create the illusion of floating, making your drinks more attractive. Perfect for coffee, latte, espresso, cappuccino, tea, and hot or cold drinks. Double wall design: Features an insulated double wall design to help keep drinks hot for longer. This design allows the cup to hold hot drinks safely and helps prevent condensation when storing cold drinks. Your drink will stay hot or cold longer compared to single-walled glass under the same conditions.