Prestige 250mm Omega Deluxe Granite Omni Non-Stick Dosa Tava/Griddle, 10" Advanced cookware with induction base and thick body Worked on Gas, Ceramic & Induction base cooktop 3 mm thickness 3 Layer non-stick coating Cook & serve Prestige   omega deluxe granite series comes with 5 layer coating. Top coat  The highly efficient PTFE coating gives special  granite finish   to the cookware making it more attractive Reinforced spatter coat (2 layers) - Spatter coat helps in  making the   cookware look new for longer. This coat ensures that the  cookware is metal   spoon friendly and convenient to use Intermediate coat - This coat helps in even heating and  also in retaining   non-stick properties and making it durable Base coat - This coating works like adhesive between  non-stick coating   and substrate. It offers excellent abrasion  resistance to the coating