Environmentally-friendly chemically stable rust-free and non-corrosive; With non-stick surface easier to clean than steel without tarnishing or absorbing food odors; Easy to care for by rinsing in warm water without fully dried when stored; Cautions: With proper care it will hold its sharpness for years without resharpening; Please use on a plastic or wood cutting board; Rinse it in warm water or gently hand wash by using a mild detergent in warm water; Do not drop the knife as it will cause the blade to break; Do not use the knife for grating; Do not use the knife as a lever; Do not twist the knife during the cutting process; Do not use the knife to cut frozen goods bones or fish bones; Do not wash the knife in a dishwasher machine; Store the knife in a conventional knife block or other stable environment; Keep the knife away from children; Do not try to re-sharpen the knife by yourself; Avoid using abrasive pads or powders