It is recommended to place the knives in a separate compartment when washing fork/knife products in the dishwasher. It is also advised to wash fork/knife products with leftover food on them in hot soapy water using a soft brush that wont damage the product surface before placing them in the dishwasher. The rinse program of the dishwasher should not be used for fork/knife products. It is recommended to remove the fork/knife products from the dishwasher before the final drying cycle to prevent damage from the high heat levels of the drying program. When storing fork/knife products, make sure they are completely dry. It is normal for fork/knife products to become scratched and lose their shine over time due to usage. The product is made of 18/10 Stainless Steel and is 100% Turkish made.