... can keep sharp for years.·Freshness, keep the fresh taste of food after cutting, no metallic smell left.·Easy to ... plastic cutting board. Do not use it on the surface of marble, glass or stone.·Never use ceramic knife to ... water, cook 5-10 minutes, and keep the handle out of the boiling water. The handle needs no disinfection. When ... and put it into the acrylic knife base. 2PCS of ceramic knives set