The M'Cook 9 Piece Stainless Steel Cookware Set is high performance cookware that works on all cooking surfaces, including induction. Cast stainless steel handles and 5-ply construction. Same raw material inside and outside to avoid any deformation during cooking. 2.6mm thickness allows for even heat distribution, resulting in fast, uniform and controlled cooking. (Roasters range from 1.5 - 2.6mm.). Pouring rims on all shapes eliminate drips when pouring liquids.