Lightweight waterproof map case protects maps and documents from water and dirt when on the trail, on the river, or traveling Ultrastrong ZipLoc top closure; detachable neck strap and corner anchor points for versatility Welded construction; can survive submersion when closed properly PVC-free TPU material is strong, durable, flexible and resistant to UV exposure and extreme cold; will not freeze or crack Small case measures 12 x 8.3 inches, weighs 1.8 ounces