Guajolote Prints Pirate Skull Clean Dirty Dishwasher Magnet 2.5 X 2.5 Inches Guajolote Prints Dishwasher Magnet. Style: Pirate Skull and Bones. Measures 2.5 x 2.5 inches (square). Protected with scratch and UV-resistant Mylar. Durable and sturdy metal shell with strong magnetic backing.