NOAA Chart 12280: Chesapeake Bay, 33.7 X 46.5, 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.