This Teapot is made of Borosilicate Glass which has great thermal shock resistance, so won't crack with temperature changes. Stainless steel strainer and Infuser are safely made of food grade materials. The Stainless-steel lid is turntable to different sides one to close the opening so drink won't spill and another to filter for your loose leaves and other side has a big opening to dispense ice easily. , , Glass teapot has a comfortable ergonomic handle. Removable metal infuser on the spout that prevents the loose leaf tea leaves from falling into your cup when you're serving your delicious tea. Suitable for both icy fruit tea and hot lemon drink.