NOAA Chart 11442: Florida Keys Sombrero Key to Sand Key, 35.4 X 46.1, WATERPROOF Printed on high quality waterproof and tear-resistant material by NOAA Chart Agent, Paradise Cay Publications Paradise Cay Publications brand charts are sold exclusively by Ruby & Rudy's Books Always printed on demand using the most recent data from NOAA Prepared to be display quality. Shipped rolled in a cardboard tube.