1.201 Stainless Steel material, body thickness 0.6mm, 2.Bottom with 0.5mm alu+1.8mm iron+0.5mm alu. 3.Five layers protector capsuled bottom. 4.S/S hollow handle and knob, same as pic, clean glass lid. 5.Straight shape, step and rolled edge. 6.Inside mirror polish, outside 1/4 mirror polish,3/4 stain polish. Saucepan:16×9.5cm with lid Casserole:16×9.5cm with lid 18×10.5cm with lid 20×11.5cm with lid 24×13.5cm with lid Frypan:24×7.5cm with lid