of Zirconium Oxide the best material considered for Ceramic Knives Stays sharp up to 10 times longer than steel knives Weighs about one third of regular steel knives Makes exceptionally clean and accurate cutsErgonomic Design with Comfortable handle Ceramic blade doesn't oxidize food and hence fruits and vegetables don't turn brown while being cut Hygienic , Non Allergenic , Corrosion Resistant , Non MagneticFood doesn't stick to the blade while cutting Blade protection cover included for safe storageWhen it’s time to chop up vegetables for dinner or prepare dishes for your meal prep plan, you don’t want to leave deep cuts in your counter. That’s why we created our chopping Boards, a heavy duty, BPA free plastic cutting board set that gives you more cutting versatility and efficiency that’s cleaner, safer and better for daily food preparation. It will not use much of your kitchen space since the sleek design of the chopping board makes it easy to be stored away. A helping hand in slicing with ease, the chopping board is dishwasher safe.