Stainless Steel Collection from Homichef. Features a magnetic stainless exterior for use on induction and conventional (electric, gas or vitroceramic) ranges. The cooking surface is hand-polished 18/10 stainless steel that will not react with food. The inner core ia 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 all of gleaming stainless steel. The 13 piece set includes a 6 1/4" (1.6 Quart) Saucepan, a 7" (2.4 Quart) Saucepan, 9 1/2" (3.2 Quart) Round Saute Pan, (1) 8" and (1) 9 1/2" Fry Pan, a 9 1/2" (7.4 Quart Stockpot), an 8" (5.3 Quart Stewpan), a 9 1/2" Pasta Insert, 9 1/2" Steam Insert and (4) matching lids. LIMITED lifetime warranty. NSF approved.