Aysmart 4" Inch Ceramic Knife , Paring Knife + Sheaths / 2 Series Fruit Knives / Kitchen Knives Made of zirconium oxide, anti-bacteria, anti-fouling, non-toxic and non-corrosive Super hard, high-density and sharp blade, not easy to be blunt No reaction with any food and can preserve the original color and taste of the food, keep the food's freshness and nutrition No stimulation to your eyes when cutting excitant food like onions The best tool for cutting the fish, fruits, vegetables, meat and guaranteeing the family especially the baby's health and the food's cleanness and health