This beautiful crystal-clear glass tea pot has approximately 17 ounce capacity and is made of borosilicate glass that is temperature resistant. Glass teapots are a wonderful way for you to interact with you precious herbal blends as they infuse and darken while steeping. Each teapot is paired with a glass infuser reservoir for loose leaf tea as well as a glass fitted lid to cover and trap beneficial steam from evaporating off of your tea. Please hand wash the teapot. Not for stovetop use.