AMAR IMPEX Cast Iron Dosa Tawa Cookware Flat Vessel Pre Seasoned Ideal for Cooking Dosa Chapati Pizza Roti Thava About this item Size 12 Inch. Weight 2.8 KG Unlike other companies that use paint for a black sheen, seasoning is 100% natural. The oil is baked on during the manufacturing process, and the black patina that remains is a carbon deposit left by the oil on the tawa. Perfect for daily usages The cast iron construction of the makes it absolutely easy to maintain and handle. This adds an authentic Indian flavour to your breads and similar preparations such as dosa, uttapam, paranthas, chillas and rotis.