Fort Walton Beach and Destin and the Choctawhatchee Bay to Santa Rosa Beach, Freeport and Point Washington. Enlarged navigation markers along with photographic visuals. The chart measures 11″ x 17″ closed and 22″ x 17″ open. Full uv lamination at 10 mil. “Write-On Wipe-Off! Time after Time” with a Sharpie marker and alcohol. Used by Coast Guard and coast Guard Auxilliaries, Marinas, Boat Rentals, Boat Clubs, County Sheriffs, Insurance companies, Real Estate and more! Easiest Boating Chart You Will Ever Use