Simply place the handy rust protector in the cutlery basket of your dishwasher. The airborne rust is effectively attracted to the rust protector, preventing it from settling on your cutlery, pots, and pans. Alternatively, you can place Rokitta's rust protector in the cutlery drawer to prevent unsightly rust stains on your cutlery. The results will surely convince you! No chemicals involved. Suitable for approximately 600 wash cycles. Note: The item is designed to capture airborne rust in a dishwasher or in the cutlery drawer of a kitchen cabinet, preventing it from settling on metal cutlery and dishes. Avoid direct contact of the item with metal cutlery and dishes to prevent magnetism from transferring to them. The item does not remove existing rust. Rust stains must be thoroughly removed from metal cutlery and dishes before using the item!.