Made of brilliantly-polished 18/10 stainless steel. Ambiente features Lagostina's Capsule Base Technology which conducts heat quickly providing precise cooking control. Highest quality 18/10 stainless steel. Capsule Base Technology conducts heat quickly providing precise cooking control. Commercial stainless steel handle is permanently riveted for durability. Heavy-duty tempered glass lid provides the see-through convenience of monitoring the cooking process. 25 year warranty.