These aluminium frypan is lightweight, dent & scratch resistant, non-corrosive and an excellent thermal conductor of heat making it the ideal material for cooking food. Aluminium die-cast is the best metals for conducting heat allowing for quick heating and retaining of heat. Teflon Select is Teflon Platinum Plus is produced from advanced technology three layers of non-stick coating with minimum shell thickness of 42 microns. Teflon platinum plus is the durable, high performance nonstick coating system available from DuPont. Whitford Eterna is produced from advanced technology two layers of non-stick coating with minimum shell thickness of 35 microns.