... delivery 5. sharp,rustproof,eco-friendly China with cover 4 pcs ceramic knife set Specification: 1.Modle:CKW3456P06 2.Size:3inch,4inch,5inch ... ,frozen or broned food.Please use with a plastic or wooden cutting board ,Avoid cutting on marble ,stone, glass surface.wash ... not try to sharpen it by yourself. China with cover 4 pcs ceramic knife set