Made from long borosilicate glass for durability and heat resistance, this teacup is designed with heat insulation and boil-over prevention. It includes a built-in filter for loose leaf tea, making it practical for brewing herb tea, green tea and other varieties. Capacity is 8 oz (240 ml). The top opening measures 2.4 inches in diameter, the base diameter is 2 inches, and the height is 4 inches. Key benefits - Built-in filter for loose leaf tea allows clean cups of tea without leaves in the liquid - Clear borosilicate glass lets you monitor steeping color and strength - Heat insulation and boil-over prevention design helps control temperature and reduce spills - Single serving size with 8 oz (240 ml) capacity suits individual servings - Durable construction and straightforward design align with everyday use and easy maintenance Use scenarios - Morning green tea: brew a quick cup of green tea for a calm start, enjoying the color as it develops - Herbal tea break: easily steep chamomile, peppermint, or other herbs without worrying about loose leaves in the cup - Gift option: an appropriate and practical present for friends or family who enjoy tea Specifications - Material: long borosilicate glass - Capacity: 8 oz / 240 ml - Top opening diameter: 2.4 inches - Bottom diameter: 2 inches - Height: 4 inches - Uses: brewing herb tea, green tea and more with a built-in filter for loose leaf tea