Homichef Cookware Set, 13 piece, stainless steel cooking surface, aluminum inner core, includes - (1) 1.6 qt. and (1) 2.4 qt. saucepan, (1) 3.2 qt. round saute pan, (1) 8" and (1) 9-1/2" frypan, (1) 7.4 qt. stockpot, (1) 5.5 qt. stewpan, (1) 9-1/2" pasta insert, (1) 9-1/2" steam insert, and (4) lids: 6-1/4", 7", 8", 9-1/2". The cooking surface is hand-polished 18/10 stainless steel that will not react with food. The inner core is pure aluminum-not just at the bottom, but all the way up the sides. All three layers are bonded together for optimum heat conductivity. The long, stay-cool handles, non-corrosive rivets, and sure-fitting lids are of stainless steel.