Totally TOXIN-FREE Product. Size of each cavity is 2.5cm.,Unparalleled in heat retention: Pure iron ore material heats quickly and also retains heat for longer, saving cooking gas. Heavy gauge construction for extra thickness and durability.,NO SYNTHETIC OR CHEMICAL COATINGS APPLIED – just pre-seasoned with 100% vegetable oil; Simple seasoning technique helps create a chemical-free non-stick surface over a period of time,Perfect round cavities/holes: Easy to prepare golden & crispy Paniyarams, Appam, Bondas, Koftas and more. Adds an authentic and rustic flavour to your preparation.