Magma Nesting Cookware renowned for their ease-of-use rugged design and reliability. Magma's best fully nesting Gourmet Cookware on the market is now even better. Magma features Slate Black Ceramica Non-Stick interiors. Testing has concluded that this darker color has even better non-stick qualities than the lighter colors and will be more durable over the life of the cookware. Made of 100% 18-10 mirror polished Stainless Steel, Magma's Award-Winning nesting cookware sets are now available with Ceramica Non-Stick coating for use with Induction cooking systems. Sets completely nest and store in less than 1 cu. ft. of cabinet space. The Heavy Duty Non-Toxic PFOA and PTFE free Slate Black Cermaica non-stick is remarkably easy to clean will not stain peel blister and nothing sticks to it.