About This HEALTHY LIFE: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: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: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:Stovetop and gas open flame, Dishwasher, Microwave, Oven, and Freezer safe. Convenient Design! Simple Life! DESIGNED FOR TEA LOVERS:Great home gifts and office gifts for tea lovers making all kinds of tea and drinks at home or office. Overview Brand : Lezero Color : Clear Special Feature : Electric Stovetop Compatible Style : Glassware Theme : Holiday Material Borosilicate Glass : Capacity 13 ounces : Material Borosilicate Glass : Capacity 13 ounces