ZX kitchen has taken ceramic cutlery to a new level by developing a line of products that are elegant, strong and easy and safe to use. Made from Zirconium Oxide, one of the hardest materials after a diamond, the ceramic blade is sharper than steel and can achieve superior sharpness for 5-year without the need for sharpening. The Red Sheath provides protection for ZX knives while they are on the counter or stored in a drawer. ZX kitchen offers a Lifetime Warranty on all its products and guarantees that its products are free from defect in materials and workmanship. For any questions concerning ZX kitchen products, please email us at firstname.lastname@example.org.