BRILLIANT TESLA Premium triply stainless steel series is made up of SAS technology, which is a triple-layer construction of stainless steel, aluminum, and stainless steel. The inner layer comprises food-grade 18/18 (304) stainless steel, which is hygienic stainless steel and rust-free. The middle layer consists of aluminum throughout, this ensures even heat distribution and uniform cooking of food. The third layer is made of 430 stainless steel for induction compatibility. These TESLA Triply Stainless Steel products are used for different purposes to prepare delicious meals and more.