A simple, elegant shape in durable, long-lasting borosilicate glass teapot with a strong stainless steel infuser means there’s nothing left to do except pick a tea and settle in to watch it infuse. Borosilicate glass, stainless steel infuser. Glass body is microwave safe and suitable for dishwasher. Glass lid is not safe for dishwasher or microwave. Remove infuser before putting in microwave. Stainless steel infuser is dishwasher safe.