Lodge 5 -Inch Silicone Mini Magnetic Trivet - This magnetic trivet snaps to any cast iron, steel, or enamel cookware, making it easier than ever to serve meals without worrying about damaging counters or tables with hot cookware. Protects surfaces from heat up to 450 degrees Clings to iron and other magnetic cookware Dishwasher safe 5 inch diameter Not intended for oven use No direct flame