Safety coffee glass: It is made of lead-free, heat-resistant, anti-condensation high borosilicate glass, the mug is lighter, more transparent, and has explosion-proof performance at high temperatures. You can immediately pour boiling water into a frozen cup, which is stronger and more durable than ordinary glass. Maintain water temperature: The double-layer design forms an insulating "airbag" between the two arms of the cup. Under the same conditions, your drink can maintain a longer high or low temperature than a single-layer cup Exquisite appearance: The arms and transparent theme create a floating feeling, which is an elegant way to float hot or cold drinks in the cup, which will make your drink more attractive Multifunctional use-Our double-layer coffee cups are perfect for hot and cold drinks: tea, coffee, latte, espresso, cappuccino, macchiato, smoothies and juices. It is used for family gatherings or entertaining guests. We can fully enjoy the deliciousness of coffee, tea, beer, juice and other beverages. Note: All glass products are very fragile, avoid violent impact with other hard objects during use, so as not to damage the cup. Glasses are fragile and may break during shipping, if you receive a broken or cracked glass, please contact us and we will send you a replacement