This Ring Kettle made from Black Serpentinite Clay aka Royal Black Pottery is the only Pottery in the world that is microwave, dishwasher and Gas safe. This 100% eco friendly kettle is handcrafted, put in a kiln and set on fire for around five to nine hours till it reaches 900 C after which it is polished with local leaves called pasania pachiphylla (‘Chiro Na’ in local lingo) which provides the luster to its surface