[High Quality Material] Made of heat-, condensation-inhibiting borosilicate glass, which is stronger and more than ordinary glass, with a smooth and crystal clear appearance. Keeps liquids hot while keeping hands cool. [Double layer glass] The double layer design is and vibrant and is suitable for drinking cold drinks in summer and hot drinks in winter. Each tumbler is double insulated to keep drinks hot for longer. Enjoy tasting coffee or tea in this glass. Thanks to our , your drink seems to float in the air. Put it in the freezer, you have a chilled, ready to drink glass on hand. [MULTI-PURPOSE] This transparent coffee cup is versatile and perfect for tea, coffee, latte, espresso, cappuccino, smoothies and juice. The glass is so transparent that the coffee seems to float in the air, making it the perfect addition to breakfast and afternoon tea. Impressive cups for milk, espresso, latte macchiato, hot and cold drinks or any other beverage you can think of. These ultra-light, clear, double-walled mugs are a gift that you can't wait to give as a gift or store for yourself!