Charles Viancin® products are food-grade safe and BPA free which is integral to our health. Materials & Additives used exceed European (LFBG) and US Food & Drug Administration (FDA). Dishwasher, Microwave and Oven safe up to 428F/220°C and freezer safe down to -40F/-40°C. Made from the highest quality food grade silicone for Baking, Steaming, Cooking and Reheating.