【High-quality Glass】 The tea cup is made of high-quality extra thick borosilicate glass, which is lead free, and does not contain any heavy metal or toxins. The material is heat-resistant and durable for everyday use. It can be placed directly in the microwave oven or on either gas or electric stovetops. It is extra thicker than other glass tea cup with infuser and lid. 【Designed for ONE】 The glass tea cup with infuser and lid is designed for one. Working in the office with a cup of brewing flower tea, you can watch the whole steeping and may get excellent inspiration. The crystal glass strainer is uniquely designed to reflect the color of your tea. When it is empty, it's transparent with no color. When you are brewing your tea, the edge of the upside shows the color of your tea soup. 【Heart Warming Details】 The cute glass lid is used to cover the mug when brewing tea and serve as a strainer holder after brewing. Each pack Contains 1 Item based on your check out count of selection ***