Keabby 301-400ml Personal Glass and Ceramics Made Tea Infuser & Mug, Teapot/Teacup, Green Dishwasher and microwave safe Made of Ultra clear glass and High quality ceramics. 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 Portable galss mug with infuser, perfect size for work and home