The double wall glasses can be used the whole year round. You can use them for your cold drinks in summer and hot drinks in winter. It features a double wall construction to help keep coffee hot and hands cool.They are made of a very strong but yet light weight glass (borosilicate glass). Borosilicate glass is a strong heat-resistant glass that weighs less than traditional glassware. Used to make scientific lab glass, borosilicate glass (medical grade glass) is stronger than traditional "soda-lime" glass and can be used for everything from drinkware to cookware. They can safely go in the dishwasher and microwave. No coaster needed.
In modern times, with the rise of glass industry, glass tea set soon rise, this is because the quality of a material is transparent glass, gloss, plasticity, therefore, made the tea set, it forms and wide range of USES, and low price, buy convenient, and is well received by tea people. In numerous glass tea set,
glass cup in the most common, and use it to make tea, tea liquor color, feminine beauty, and tea in the process of brewing Shen Fu mobile, panoramic view, therefore, used to brew a variety of tender tea, the most high value, home hospitality, can yet be regarded as a kind of good tea drinking vessels.