Brew your preferred strength tea without removing the infuser. Patented system stops the tea from brewing once plunger has been lowered. Heat resistant borosilicate glass construction doesn't alter or impair flavor. Clear glass design lets you see when tea has reached preferred strength. Strainer and lid are made of durable stainless steel. Silicone rim secures filter firmly into the teapot for precision pouring. Use with loose leaf tea or tea bags. Dishwasher safe. 34-Ounce capacity.