We’ve tested from the less expensive aluminum brands — they start chipping by 4th or 5th use — and the more expensive cast iron ones, that take a long time to heat up, and this one is the winner! They’re one of the best heat diffusers to use with our clay pots. Can also be used for cooking with glass and for simmiring with other types of cookware. We’ve come to love the way it heats up quickly and evenly spreads the heat onto the bottom of the pot. It’s unique design with raised points allows the pot to stand elevated over the heat source. Don’t pre-heat the SimmerMat, always use it with your clay pot on top.
It is made of high quality zero carbon steel, enameled. May rust eventually, if it’s in contact with water for prolonged periods of time. Wipe with a dry cloth when it’s cool, before putting it away.