BONERA 38CM PRO-PLUS GRANITE BAKING TRAYSet Includes:38 cm Granite Baking Tray + Durable Glass Lid, sent as a 2-piece set.Product Features:Material: Inner and outer granite coating.Warranty Period: 2-Year Warranty / Locally produced.Thickness: The product has a thickness of 3.5 mm.Lid: Durable Glass Lid.Handle: Made of stainless steel.Usage Areas: Not suitable for use on induction cooktops.USAGE GUIDE:Before first use, wash the product with hot water, dish detergent, and a soft sponge.Do not use chemical solvents.Do not leave the product on the heat while empty.During prolonged cooking, heat transfer to the handles may occur. In such cases, we recommend holding the handles with a cloth.To preserve the product's original features, we recommend hand washing instead of using a dishwasher.After each wash, dry with a soft cloth.To remove water spots, simply wipe with a sponge soaked in lemon juice or vinegar.