Set of 6 MoldsMade from food grade Silicone.Heat resistence 230 degree C and cold resistance - 50 degree CThe molds can be put into the oven or microwave straight from the freezer.. They are fruit-acid resistanceNatural non-stick surface and easy to clean..Dishwasher safe.Energy saving as reduces baking time and easy to store as can be folded and stored in drawers.