Sun's Tea (TM) 12oz Personal All Glass Made Tea Infuser & Mug (Teapot) Dishwasher and microwave safe Ultra clear glass, you can watch tea leaves 'dance' while infusing, a beeter way to brew loose tea. Removable glass infuser, perfect to use with loose tea or tea bag Entirely made of lead free and heat-resistant durable borosilicate glass, no metal or pastic part Sun's Tea (TM) 12 oz (0.35L) portable galss mug with infuser, perfect size for work and home