Aqua-Quest 'The Trail' Waterproof Map Case Transparent Dry Bag - Black Model
The last thing you want is a wet map when you are out in mother nature.  Don't use a map too much?  No worries, you can still get plenty of use from this item, because this mapper is a multi-purpose case that can be used for just about anything.  Use it to hold your maps, or also use as a see-through pouch for whatever else you'd like to protect and store safely.   A great item for any traveler or adventurer.