High-quality material: Made of high-quality borosilicate glass, which is a special glass material with high temperature resistance, high strength, high hardness, high light transmission and high chemical stability. The cup will not break, even at high temperatures. All glass is fragile, so handle and wash it gently.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 keep your drinks warm longer. This design allows the cup to hold hot drinks safely and prevent condensation when storing cold drinks. Your drink will stay hot or cold longer than a single-walled glass under the same conditions.