Tough, durable and waterproof extra-large chart case from waterproof equipment experts Ortleib.

Features:
* A3 size
* Your chart is kept dry and readable from both sides.
* Four point attachment system allows case to be carried around your neck
* Easily secured to your rucsac or boat with the draw cord with cord locks and snap hooks
* Can also be used for the safe storage of documents and moisture sensitive devices.