This glass cup is made from high quality glass, which is heat and condensation-resistant, 100% lead-free, and BPA-free. It's designed to provide you with the safest and healthiest high-temperature products. This clear coffee mug is versatile and perfect for tea, coffee, latte, espresso, cappuccino, smoothies, and juices. The glass is so clear that the coffee seems to float in the air, making it a perfect addition to your breakfast and afternoon teatime. We offer customize your own design logo, image or message on the mug.