Clean Dirty Dishwasher Magnet Sign Indicator - Rustic Distressed Vintage Style Guajolote Prints Dishwasher Magnet Tin Metal Sign Style. Strong Magnet can hold multiple sheets of paper to a metal surface. Measures 2.5 x 2.5 inches (square). Protected with scratch and UV-resistant Mylar. Durable and sturdy metal shell with strong magnetic backing.