This gongdao cup is made of high - quality high - borosilicate glass material. High - borosilicate glass has excellent heat - resistant properties. Whether it is freshly boiled water or scalding hot tea soup, it can handle them with ease, and there is no need to worry about the cup cracking due to sudden temperature changes. This material ensures safety and durability during the tea - making process. The design of the gongdao cup is simple yet elegant. The body of the cup has smooth lines, and unique patterns are decorated on the glass surface. Under the refraction of light, a low - key and luxurious aesthetic is presented. These patterns not only enhance the beauty of the cup but also inadvertently enhance the ceremonial sense of tea - tasting.
