Kyocera's Ceramic Knives and Kitchen Tools are not only innovative, but ultra sharp - and esthetic. The ceramic blades will neither discolor foods nor transfer metallic tastes or smells to your foods. Rust-proof, stain-proof and germ resistant, the knives are comfortable and well balanced, while slicers glide through fruits and vegetables with ease. Each Kyocera knife features a lifetime warranty and lifetime sharpening.