DuraRite is a "synthetic" paper created for use in extreme condidtions. It is waterproof and can be used underwater.
Now you can have a waterproof notebook that fits in your pocket! These Pocket Notebooks have 100 Universal pattern pages (50 sheets).
This is the ony loose leaf that you'll want to take underwater. Add, remove, or file your DuraRite loose leaf sheets. These sheets are sold in packs of 100 sheets. Use with binder No. 200 or 210.