Optimized Design: We add a non-scratch and strong soft magnet on backside, our dishwasher magnet can firmly stick on the dishwasher. You won't have to worry about the exposed metal magnet will rust and scratch the washing machine. If your dishwasher is made of non-metal surface, you also can use it with the complimentary double-sided glue 4 Signs - Clean Dirty Running Empty: Apart from CLEAN and DIRTY sign, we added RUNNING and EMPTY on our dishwasher magnet. Dishwashers are usually so quiet that people don't know if it is running. This may lead family members especially kids open the dishwasher by mistake when it is running and flood the kitchen. As of the EMPTY sign, it reminds family members dirty dishes can be put in the dishwasher instead of stacking in the sink Stable And Smooth Signs Change: To change the signs, you just need to toggle the handle of dishwasher magnet slightly. It has 4 build-in tiny magnets inside. During the running of dishwasher, the magnets enable the states card stay where it is, there will be no displacement due to vibration Suitable For Most Of Dishwashers: Our magnet for dishwasher is 4 inch in diameter with classic black color, suit for most of dishwashers and kitchen. It is a very useful kitchen must-have and a nice gift for your friends and families 1