BonJour Stainless Steel Clad 4-Quart Covered Dutch Oven 4 quart covered dutch oven clad stainless steel; straight sides allow liquid after searing meats 3.5mm total thickness; 3-Ply clad construction; interior layer- .4mm 18/10 stainless steel: core-2.5mm aluminum; exterior layer- 0.6 magnitized steel Thermo-Enhanced Base is 30% thicker than traditional clad cookware providing excellent heat distribution which ensures browning Dishwasher and oven safe. Suitable for use on all stove tops, including induction ranges Cast stainless steel are cool to the touch, ergonomically designed for comfort and permanently riveted to withstand the rigors of restaurant use