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