The NRS Hydrolock Mapcessory Case keeps your map dry and its transparency means you can read it too. Accommodates maps, charts or books, as well as essentials such as wallets, snacks and a warm hat. The HydroLock zip seal provides a totally waterproof closure. Periodically clean the sealing surfaces and lubricate with 303 Protectant, Item # 38751.01, for ease of closure. A clear urethane window lets you see both sides of your map, chart or guide. Attachment points in the corners make the NRS HydroLock Map Case easy to lash to your boat or a deck bag so it's always right there when you need it. 4 eye loops so it can be lashed to the deck of your kayak Dimensions: XS - Interior: 6" L x 9" W, Exterior: 10" L x 11" WSM - Interior: 8" L x 12" W, Exterior: 12" L x 14" WMD - Interior: 15" L x 12" W, Exterior: 18 7/8" L x 13 7/8" WLG - Interior: 18" L x 15" W, Exterior: 21 5/8" L x 16 7/8" W
