Patented S/S Buffalo Clad is scratch-resistant, non-stick, and non-toxic for healthy cooking. It does not contain an unhealthy chemical coating and does not cause adverse food reactions. Ordinary pots use attached base plates, resulting in uneven heating and hard-to-clean surfaces. Only Patented Buffalo Clad unibody and Multi-layer sealed construction to give you even heating and superior heating conduction for great-tasting rice. Asia's Best-Selling Rice Cooker with Over 1 Million Sold!