An impressive brewing system designed with a patented press system which completely stops the brewing. Made of stainless steel and mouth-blown glass, the pot keeps the tea hot long enough to be enjoyed. Works perfectly with most large leaf black, green, white, and herbal teas. Dishwasher safe. Glass teapot made of durable borosilicate glass and is microwave-safe. Not for stove top use. Stainless steel infuser.