ITI FRG-111 12-Piece Rio Grande Teaspoon, Stainless Steel Item is dishwasher-safe; never let flatware remain soiled overnight, avoid low temperature dishwasher cycles Use only plastic or stainless steel container and a non-abrasive cleaning compound When washing items allow clean ware to air dry for several minutes in a well ventilated area 18% Chrome for Corrosion Resistance; to prevent corrosion and film build up your rinse must be thorough Item should be ran through complete wash and rinse cycle in a vertical position Item is dishwasher-safe; never let flatware remain soiled overnight, avoid low temperature dishwasher cycles Use only plastic or stainless steel container and a non-abrasive cleaning compound When washing items allow clean ware to air dry for several minutes in a well ventilated area 18-percent chrome for corrosion resistance; to prevent corrosion and film build up your rinse must be thorough Item should be ran through complete wash and rinse cycle in a vertical position