This great value Carl Victor aebleskiver pan is made from pre-seasoned cast iron. Made in Sweden and Designed by Göran Ek. Carl Victor cast iron cookware only gets better with use. Will get a ¨Natural Non-Stick¨the more they are used. 100% organic, free from Teflon, PTFE and PFOA. Can use steel tools/utensils. Works on all heat sources including induction, as well in the oven.