Made of high quality stainless steel with stylish ergonomically designed stainless steel handles. Normal cleaning, hand wash in warm soapy water with a nonabrasive sponge or cloth. We highly recommend hand washing your knives in non-lemon detergents. Your high quality knives should not be soaked for long periods or submerged for cleaning. Frequent and prompt cleaning of your knives after every use with non-caustic soaps and towel drying will ensure the beauty of your BergHOFF high quality knives for years to come.