silicone kitchenware, 1, heart shape egg ring 2, small and nice 3,use it, better life start ! silicone kitchenware 1) Made of 100% Silicone Material;2) Durable, non-stick finish and Dishwasher Safe'3)Temperature extremes from minus 40 degree to 230 degree;4) Different color and types are available;5) Customers designs are welcome;6) FDA and LFGB certificate.