It doesn't boil as fast as other pots, but because it has good thermal conductivity, once it boils, the heat lasts for a long time so you can eat the food warmly. Clay which is base on stones are making high thermal conductivity.
It is safe and can be used for a long time without being rusted and peeling off the coating like a general hotpot. It can be used in electric microwave, oven, BBQ grill and dish washing machine. It may not work on induction stove.
MADE IN KOREA:
All the products are made by reliable Korean pottery cooker companies.