1. Dishwasher Magnet Clean Dirty Sign Strong Magnet Advert Whether Dishes 2. Easy to change between CLEAN and DIRTY. However it won't change by itself when you open or close the dishwasher door. Because inside there is resistance that will keep shutter signs staying in place. 3. The clean dirty dishwasher magnet has a full size soft magnet on the back which is strongly magnetic. Built-in industrial magnets are covered by soft silica to protect your dishwasher. 4. Are the dishes DIRTY or CLEAN? Answer the question and end the frustration with the dishwasher ad magnet. Easy to read know at a glance when dishes are washed - even if you are across the room or missing your glasses 5. You have two options to attach to your dishwasher. It has a full size soft magnet on the back. In addition the package also includes two round double-sided tapes in case that your dishwasher is not magnetic.