Designed for sizzing meat or food with fat, the Flaxseed pre-seasoned pans are made from 99% iron, pre-seasoned by nature flaxseed, providing extra high iron supplement than nonstick coated cookware.   As already been pre-seasoned with natural flaxseed, a layer of Patina grows on the surface of the pan and make the pan become basic pre-seasoned Physical nonstick. The secret for better nonstick is from the special Rhino skin structure.Known as famous Leidenfrost Effect-When the steel surface hot e nough, drop of liquid help up by the layer of vapor created by hot pans, which make food detaching from the pan. Pr e-seasoned, vapor held up, together with the Rhino skin pattern-its special Peak and Valley structure, your food s tands on the top of the peaked design whist the oil/fats run through the ridges. And more, the hammer pattern provides a n ideal nesting place for the cooking oil to reside in, offering healthier cooking with less oil.