The Rite in the Rain Side Spiral All-Weather Notebook fully prepared for any challenge mother nature throws at it, these notebooks can handle any weather encountered in the field.4.625"x 7" has 64 pages/32 sheets6.625"x 8.5" has 84 pages/42 sheets8.5"x 11" has 84 pages/42 sheets FeaturesImpact-resistant Wire-O doesn't get bent out of shape when tossed around in packs or your pocketThe Polydura cover creates a tough but flexible outer shell defending your notes from scratches and stainsRulers, conversion charts, and map scales printed on the cover prove handy in the fieldNon Perforated