Magma Nesting 10 Piece Cobalt Blue / Slate Black Cookware (Part #A10-366Cb-2 By Magma) 100% 18-10 stainless steel with cobalt blue exterior finish Nests and stores in less than 1/2 cu. Ft. of space Heavy duty tri-clad encapsolated bases for perfect even heat distribution Earth friendly, non toxic, PFOA, & PTFE free Ceramica non-stick coating