Melange 8-Piece Ceramic Steak Knife Set with Black Handle and Black Blade (4 Knives & 4 Covers) Includes four 4-inch steak knives and 4 matching knife covers; comes in a sophisticated gift box Knives do not rust or leak metal ions from exposure to moisture, oils and acids in common foods; cannot be used to cut bones or frozen foods Serrated ceramic blades are significantly sharper than steel blades; ceramic blade preserves its sharpness 8-10 times longer than steel blades Lightweight and comfortable to use (weighs approx. Half of an equivalent metal knife); comes with ergonomically designed abs handles Not dishwasher safe - but ceramic knives are easy to clean as they are not stained or affected by substances such as salts, acids and juices