Color: Black Materials: steel and plastic Dimension: about 5.75" (14.5cm) Instruction: 1. Sharpen the blade: use soft, fine and flat whetstone, the knife edge and back should be placed flat. Sharpen it with even and light force and then use the knife cloth to make it sharper. 2. After using, clean it with dry and soft cloth and put a little oil on it. Be careful when you close it, don't let the blade touch the handle.