Finum Bistro System, Black, 10oz Set contains one tea glass, one permanent tea filter and one hat. Induvidual packaging in 4 languages (EN, DE, FR, ES) Tea cup made of borosilicate glass (heat resistant) Capacity = 10 -ounce Outer diameter approx. 3,1 in Height: approx. 4,7 in Safe for dishwasher use. The tea hat prevents heat-loss and retains the aroma. Serves as a handy drip-off tray for the brewing basket. Dishwasher safe Bistro system comes with glass handle Very durable, due to robust material