This plastic handled set is dishwasher safe and easy to clean. Kom Kom brand knives are perfect for the amateur or professional. Imported from Thailand. Lengths: 5 5/8", 6 1/2", and 7". High carbon stainless steel blades, hardened and tempered. Dishwasher safe plastic handles. Also see our store front at http://www.amazon.com/shops/templeofthai for more Kom Kom brand garnishing knives.