31.7 cm. As seen on TV. Oven safe up to 500 degrees. Dishwasher safe. PTFE/PFOA/PFOS free. No oil or butter needed! Non-stick Ti-Cerama coating. Chef Daniel Green. Made with titanium & ceramic. Stronger than ever! Non-stick. Oven safe up to 500 degrees F. No sticking! Aluminum cookware. Made in China.