0, 5 mm stainless steel body, 4, 0 mm aluminum impact bonded base, Stainless steel cast handles, Mirror polished interior & exterior, Tempered glass lid, Set consists of:, 1 - 5 Qt, Stainless steel dutch oven w/lid, 1 - 2 Qt, Stainless steel sauce pan w/lid, 1 - 1 Qt, Stainless steel sauce pan w/lid, 1 - 9, 5"" Stainless steel fry pan, SKU: IMPR4244