CeraSharp Ceramic Knife and Peeler Set Get the edge! Cera Sharp blades keep foods fresh! Ultra sharp, long life blades. Made from ceramic zirconia material, and holds its sharp edge longer than a steel blade. Fruits and vegetables won’t oxidize and turn brown as fast when cut with the Cera Sharp ceramic knife. Can last for years without sharpening. Slices and chops food with ease. Non stick surface, foods don’t cling while chopping. No metallic steel taste added to food. Rust proof and stain proof. Exceptionally long lasting sharp and smooth cutting and peeling.