Table Knife Vintage, 12 Pcs. . Made with the highest quality of 18/10 stainless steel, very durable, ergonomic. . Knives have double serration for a durable sharpness. . Dishwasher safe and easy to wash. The special Vintage Process gives to the surface of Stainless Steel a rustic, warm and elegant appearence; yet the product is inoxidable, dishwasher safe, durable and food safe. . The special Vintage Process gives to the surface of Stainless Steel a rustic, warm and elegant appearence; yet the product is inoxidable, dishwasher safe, durable and food safe. . The production process is not galvanic and do not produce pollution.