Le Creuset of America Stainless Steel Braiser, 5 quart ROLLED EDGE-The sealed rim protects the cookware's core construction, preventing pitting or deterioration over time SIDE-WALL-Tri-ply construction features a full aluminum core with a magnetic exterior side-wall that is compatible with induction stovetops MATERIAL-Finished with a radiant luster, the proprietary blend of professional-grade stainless steel resists oxidation and discoloration over time KNOB-Made for easy gripping, the stainless steel knob is safe to 500 Degree F Lifetime Limited Warranty