Material:Metal Certification:LFGB,SGS Feature:Eco-Friendly Size:Optional Thickness:2mm 2.5mm 3mm 3.5mm 4 5mm Height:Optional Interior:Non-stick coating,Ceramic coating,Marble coating Exterior:Colorful heat resistant coating Handle:Bakelite,Stainless steel,Silicon Bottom:Spiral,Induction Usage:Home use,Cookware in kitchen,etc Item:aluminum cookware set