Waterproof charts are printed on-demand using the most recent National Oceanic and Atmospheric Administration (NOAA) data. Coast survey reviews charts weekly and applies all critical corrections specified in notices to mariners. All corrections to date are incorporated in these print-on-demand charts. Printed on waterproof, tear-resistant material using state-of-the-art printing technology. Clean, crisp colors render a frame-quality, durable chart. Printed by Paradise Cay Publications, Inc., a NOAA-certified print-on-demand partner. Charts meet United States Coast Guard carriage requirements.34" x 49"