Our glass tea mug is perfect when brewing and enjoying your favorite Lumbini Tea! This 16oz mug includes a stainless infuser that nests inside the mug holding your loose tea while steeping. A stainless lid trimmed in silicon is also included and doubles as a place to set your your infuser after brewing. This product is produced to withstand high and low temperatures and was specially designed to use for boiling water, coffee or tea. Not intended for microwave or stovetop use.