For any adventure where the elements could be an issue, this waterproof Map Case is the perfect, lightweight way to protect maps and other documents (or anything you’d like) from weather and splashes. The wide-track zip closure is easy to open and to insert and remove items. Four D-rings, one on each corner, make it easy to attach the Map Case to anything you’d like for ease of access and security.Waterproof: Constructed with 100% waterproof materials and welded seams.Easy Closure: Watertight, wide-track zip closure for easy access.Easy-Read: Crisp, clear material makes map reading or spotting the right item easy.Versatile: D-rings simplify attachment to a kayak, canoe, bike handlebar or backpack.Updated Material: New material is PVC-free and BPA-free.Medium Size- 5 oz 16″ wide x 12″ long Larege Size- 7 oz 22″ wide x 16″ longPolyurethane Film, Plylpropylene Webbing