The Rite in the Rain Hip Pocket Note Book is an all weather 4" x 6" traditional size spiral note book. The Model 146 Hip Pocket Notebook has a Polyethylene cover with a universal grid. The Rite in the Rain All Weather Hip Pocket Notebook has a universal grid print which allows for graphing, map making and drawing in addition to standard note taking. For a smaller version, see the Model 135 Rite in the Rain Shirt Pocket Notebook which is a smaller 3" x 5" in size. Rite in the Rain All Weather Writing Paper is a truly amazing paper created specifically for writing field notes in all weather conditions; from the torrential downpours in the Pacific Northwest to the blistering heat and humidity of a Florida summer day. Rite in the Rain sheds water, so users can continue to write on it, even in a downpour. The J. L Darling Corporation, makers of Rite in the Rain All Weather Products, make high quality, durable and functional products that serve professionals from the top of Mt. Everest to the deepest caves on the planet. During testing by Best Glide A.S.E. "Rite in the Rain" All Weather Paper was submerged in water for 48 hours. When we attempted to write on the paper, we found that the "Rite-in-the-Rain" paper was still perfectly usable. All Weather Writing Paper is perfect for use in extreme conditions and is a perfect fit for any survival kit.