1.Made of Carbon Steel in 0.8mm Thickness. 2.Set Include:1pcs Steamer with Lid ,1pc Insert Plate. 3.Walbolon Nonstick Coatin CSC-882 Nonstick Carbon Steel Steamer set MATERICAL:Carbon Steel SIZE:Body 35.5(D)X24cm(H) ,Lid 35(D)X5cm(H) ,insert Plate 30.5(D)X5cm(H) THICKNESS:0.8MM Packaging type:1SET/Color Box, 4SETS/CTN/73.5X38.5X53CM CSC-882 Nonstick Carbon Steel Steamer set