HEALTHY LIFE ¡ª Made with quality borosilicate glass, more thinner, lighter, capable of withstanding thermal shock, scratch, and break resistant, BPA-free, no lead, well protects your health.PRACTICAL DESIGN ¡ª Elegant teacup with dust-proof glass lid and tea leaf filter for loose teas or blooming teas. The filter is easily detachable and makes for easy rinsing and cleaning.ANY TEMPERATURE DIFFERENCE ¡ª The borosilicate glass cups keeps the temperature of liquid hot or cold for a longer period of time, It can adapt withsthand 30?? to 180 ?? rapid temperature difference.QUALITY ASSURANCE ¡ª Stovetop and gas open flame, Dishwasher, Microwave, Oven, and Freezer safe. Convenient Design! Simple Life!DESIGNED FOR TEA LOVERS ¡ª Great home gifts and office gifts for tea lovers making all kinds of tea and drinks at home or office.