10oz / 300ml Borosilicate Glass Tea Mug -- Lightweight and durable, can be used for hot & cold beverages, it can withstand sudden temperature change from -20°C to 150°C. 3 In 1 Teacup -- Glass cup & glass filter & glass lid. All pieces are made of heat resistant borosilicate glass. Dishwasher and microwave safe. Suitable for Brewing -- It’s Great for any loose leaf teas, blooming teas, fruit & flower tea, herbal tea or teabag. This tea glass will let you watch how loose leaf tea or flower tea draw rich color into the water. Easy to Brew The Tea -- Just put the tea into the glass strainer and add some water, then the innner cup releases infused tea directly into the outside cup. Beautiful and Practical - It is great for the office, home or for a quick cup of tea. A lovely gift for someone loved!!! Features: 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. Kit with 3 pieces -- glass cup, glass filter, and glass lid. 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. Comfortable handle,curved ergonomic design, make your feel comfortable, easy to use. Material: borosilicate glass Capacity: 300ml Package Includes: 1 x Glass Tea Cup 1 x Glass infuser 1 x Glass lid