Durable Borosilicate Glass Teapot can be used directly in gas or electric stovetop ,use medium level heat source to heat water for brewing. Teapot has a removable infuser on spout that prevents loose leaf tea leaves and fruit slices from falling into your cup. Borosilicate heat resistant glass Now you can brew your tea without having to boil water separately. There is no more natural brewing process. Great for home and office gifts for tea maker for all kinds of tea and beverages. Customer satisfaction is our top priority. Feel free to connect with us through appropriate channel if you need any support or assistance.