Brew the perfect tea for one from your favourite tea leaves using this single cup glass mug with integral glass infusermade by hand in heat resistant borosilicate glass the mug acts like a mini teapot allowing the water to circulate freely as it filters the tea the clear glass means you can see the strength of the tea develop so you can take out the filter at just the right point it comes with a lid to ensure your tea stays hota must for any tea connoisseur and as quick and easy to use as