Capacity of this teapot is 1000ml/35oz. Enough to provide roughly 5-6 mugs of water This is a top-quality Borosilicate glass tea pot with a glass infuser for loose tea Stovetop Heating: this tea kettle has low rate of thermal expansion and high thermal resistance. It could be used on gas, electromagnetic stove For Cold and Hot: The teapot can withstand instant temperature change from minus 30 ? to 150?. It will stay intact even if you fill boiling water into the frozen teapot instantly Our teapot with infuser, it is suitable for the flower tea , kungfu tea and coffee. PS: the glass teapot is fragile, please do not worry, if you got the item broken or the parts broken, please feel free to contact the seller customer service team for the replacement or full refunded.