Utilizing pure ceramic as a coating, the Green Earth Wok by Ozeri is one of the world's first frying pans to achieve non-stick perfection while remaining absolutely free of PTFE and GenX chemicals (APEO, PFBS, PFOS, PFOA). Conventional cookware brands achieve their non-stick performance through a coating of PTFE (PolyTetraFluoroEthylene), which under extreme temperatures releases harmful fumes. Non-stick coatings are often made with advanced fluoropolymers, known as GenX fluorinated chemicals and PFBS. According to EPA studies on these chemicals, the “data are suggestive of cancer”. ght handle.