*Shark Porthole Magnet Decoration Customized for your Stateroom Door for your Disney Cruise, Carnival, Royal Caribbean, etc... Measures approx. 8.85 inches. Gray outline signifies magnet shape and is not printed on the magnet. *15mil printed magnet. This is not not card stock with a magnet glued on the back. *A proof will not be sent so please ensure all spelling is accurate. *Printed on an industrial UV printer. Will not fade, can get it wet. *Cruise ship doors may vary in magnetism. Some may not even be magnetized (i.e. Concierge Doors). Not meant for outdoor usage. The magnet will not stick to aluminum or stainless steel surfaces.