Cooks Standard 12 in. Multi-Ply clad stainless steel wok stir fry pan with glass lid, 30 cm is made of 2 layers of 18/10 stainless steel and an aluminum core along base and walls. Multi-ply allows for heat to be distributed evenly and quickly. Stainless steel polished exterior and interior looks great and is easy to clean. Riveted handles stay cool and comfortable with a v-shape at the base. Large size for multipurpose use: sauteing, frying, and more. Flat bottom for even spreading and curved sides for pouring. Tempered glass lid fits securely to keep in heat/moisture and view food. Induction compatible and works on gas, electric, glass, ceramic, halogen, etc. Oven safe to 500°F and glass lid to 350°F. Dishwasher safe.