Tips: How to protect the cast iron from rust? Storage: Store cleaned and seasoned pans in a dry place. If stacking pans that will nest together, place a layer of paper towel between each. Don't store cast iron pans with their lids in place unless you put something between lid and pan to allow air circulation. During Use: Heat a pan on a burner slowly, first on low, then increase to higher settings. Avoid using metal utensils with sharp edges or corners. Avoid cooking acidic foods that may compromise your seasoning. Induction cooktop, oven, and gas stove/gas burner Thick Bottom Design: make food get heat quickly and evenly. Perfect for Frying, cooking, boiling, pre-seasoning, and more. Long Handle: for anti-scald grip when cooking With Lid: prevent splatter when boiling and cooking. Great Kitchen Utensils for Friends and Family. Specifications: Material: Cast Iron Color: Black Pan Size: 31cm Pan with Handle Size: 39cm Package Size: 31.5x31.5x9cm Usage: Home Cooking Commercial Package Includes: 1 X Iron Pan HR22-SG-24416, HR22-SG-24416