Glass Teacup (Blue and Orange) Place tea leaves in the very fine mesh tea infuser basket. The good aroma of the tea leaves wafts up. You can also brew delicious black tea, oolong tea, and green tea. The stylish basket with a unique stackable design allows for convenient, space-saving storage. Made of borosilicate glass. This product is from FORLIFE (For Life) in the United States. Founded in Los Angeles in 1994 by a ceramic designer and entrepreneur, FORLIFE's design philosophy is functionality and simplicity, creating products that consider the functionality necessary for our lives. Its designs are very fresh and beautiful, and their ease of use is popular worldwide.