By using high quality borosilicate glass, the tea glasses will not burst even at high temperatures. It is possible to fill the ice-cold cup with hot water. Suitable for freezer.
It is thicker than other glass teacups on the market. Tough and strong enough to ensure it can be used longer without breaking.
Natural bamboo and high-quality brushed stainless steel ensure a solid, but exquisite lid. The silicone of the cover ensures a tight seal and prevents scratches and collisions at the same time.