Construction: 100% healthy premium aluminum, 99.9% purity with thick base that distributes heat evenly across the entire surface of the pan Smooth surface, easy to clean Handles: Imported with European design The handles and knob are made of high temperature resistant Bakelite material and decorated with 304 stainless steel The handles are fixed with non-stick screws Rustproof (corrosion resistant 304 quality) 15mm elongated to ensure durability and to prevent warping Cover: Made of high quality aluminum