Clean Dirty Dishwasher Magnet Sign Indicator Funny T-Rex Short Arms Dinosaur - Kitchen Gift Guajolote Prints Dishwasher Magnet T-Rex 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.