Granite Gear Map Case.
The Granite Gear Map Case protects your maps from rain and spray. It comes in 3 different sizes. The Storm Shield is the largest of the Granite Gear waterproof map cases. The Storm shield attaches to your canoe's thwart and to portage packs using a hook and loop fastener. It fits either McKenzie or Fisher canoe country maps folded in quarters. All the cases are built with heavy-duty vinyl and 210-denier nylon, it is sure to last through many canoe trips. It features Shock-corded hooks that runs from all corners and allows secure attachment. It also has the ziplock like closure that guarantees your map stays dry. The Granite Gear Map Case is perfectly suited for attachment on thwart bags, portage packs, and backpacks.