Combine 3/4 cup bleach and 1 tablespoon powdered or liquid laundry detergent together with 1 gallon warm water in the house. Wooden bowls, earthenware plates, unadorned knives and forks. Coroplast can be lettered with vinyl or screenprinted. http://opensocialfactory.com/story5263106/cold-steel-black-bear-classic-knife-review