Metal silicone. Easy release. Dishwasher safe. Cooks evenly. Integrated steel structure for secure handling. Easy release and cleaning. Prep it. Bake it. Pop it out! (Do not use cooking spray - Do not broil). Food safe. 428 degree F. 220 degree C. Resistant. Dishwasher safe, top rack. Microwave safe. Freezer safe. Sustainable Durable. Lifetime warranty (see Trudeau.com). Trudeau.com. BPA free. Package recyclable. Made in China.