Round cake pan, two layers of non-stick coating inside, easy to clean, nice look. The non-stick coating we use is AKZO NOBEL from USA, we also use coating from South Korea., we have got FDA, LFBG certificate. The product is grey powder surface outside, two non-stick coatings inside, nice look, freely combine, easy to clean., the thickness of product is 2.0mm-3.5mm, 20pcs/ctn. Cake Pan