20 cm. 5 year guarantee. PFOA free. Heavy gauge aluminum forged vessel for superior heat distribution. Soft-touch handle for a comfortable grip. Healthy PFOA Free nonstick. Nonstick interior for easy cleaning. Heat resistant, soft-touch handle provides secure grip. Thick, even heat aluminum for superior cooking. Durable silicone polyester exterior finish. www.bialetti.com. Made in China.