Tupperware's Chef Series™ Pro Knives are precision-cast, forged knives of stainless steel. Featuring an innovative, contemporary design, these professional-caliber, extra-durable knives are tougher, harder and stay sharper for longer. Stainless steel blades are corrosion-resistant, and the smooth, durable handles are ergonomically designed to provide a comfortable, safe, non-slip grip. This Chef's Knife, the most frequently used knife in the kitchen, is 8" long. Hand washing is recommended.