1. ceramic knife set 2. 3",4",5",6" with cover 3. LFGB, ... rustproof,eco-friendly China with cover 4 pcs ceramic knife set Specification: 1.Modle:CKW3456P06 2.Size:3inch,4inch,5inch, ... cutting on marble ,stone, glass surface.wash by hand with water and liquid dish soap ,do not wash it on the ... a middle bleach solution.Please put it on the knife set or plastic scabbard after you finished using the knife, ...