These modern teapots are ideal for the piping hot temperatures of your favorite tea. Borosilicate glass is known for having very low coefficients of thermal expansion, making it more resistant to thermal shock than most other glass. And unlike other glass it is extremely resistant to cracking and breaking over time. These durable teapots have a clean, contemporary aesthetic that is the perfect compliment to any modern home. 24 oz. borosilicate glass teapot.