This handmade borasilicate glass mug comes with a removeable glass infuser. The lid helps to keep your drink hot. These are created to enhance your enjoyment of drinking fine leaf Chinese teas. A full range of glass teaware and fine Chinese teas can be found on our other site www.flowerteas.co.uk The great things about these mugs is that they are ideal in the home or the workplace. They will impress your guests and allow you to all enjoy your favourite leaf teas without the need for numerous teapots.