Made of much thicker lab-quality free borosilicate glass, healthy and more durable The rim is mouth blown perfectly by the two layer glass, which makes it very mellow for lips touching Insulation is formed by the double wall. Hot drinks will not burn your hands and cold drinks will not form condensation A wide and thick handle is much more practical especially for the sleepy or shaky hands The bottom is flat and wide enough to stand straight when pouring drinks inside. Made of high-class borosilicate glass, the cups are so pure and transparent, it is the healthiest way to drink without any harmful and toxic substance is released. It is perfect for cappuccino, latte, espresso, macchiato, tea, juice, iced beverages, or smoothies. Please don’t rub this point intentionally when cleaning the cups. all over the world with kitchen accessories which do not only serve their purpose but even better and more than just functional, our stunning products are also designed and created to attract awe, and be truly loved and enjoyed for a lifetime Our Tea Cups are no exception. These cups of capacity promise to serve you for decades over decades because they have the timeless appeal and the most lasting strength. You surely won’t need to buy a new set but instead you will want to add more sets to what you already own.