Black Diamond Selecta Non Stick Heavy 4 mm Thick Dosa Tawa - Heaviest in the Category. Primarily for Deep Heat Non Sticking / Low Oil Cooking. Metal Spoons Can Be Used Freely. Dishwasher Friendly - Very Easy to Wash with Hot Water. Strong Structure and Handle Connectors make this unit a Long Lasting Edition to Your Kitchen - for Both Home & Professional Chefs.