ORIGINALLY DEVELOPED FOR THE US MILITARY, OUR SOFT COVER BOOKS ARE MADE TO SURVIVE. WE USE ONLY THE MOST DURABLE GLUES AND MATERIALS TO ENSURE YOUR BOOK WON&';T FALL APART IN THE FIELD. PERFECT BINDING The heavy-duty "perfect binding" holds strong through bad weather and years of abuse. FIELD-FLEX COVER Field-Flex covers easily conform to pockets or packs, yet spring back into shape - no worse for the wear. RULERS & REFERENCE Rulers, conversion charts, and map scales printed on the cover prove handy in the field. SPECIFICATIONS COVER COLOR: Black MATERIAL: Field-Flex REFERENCE: Imperial & metric rulers, conversion table, map scale PAGE PATTERN PATTERN: Universal INK COLOR: Dark Gray NUMBERED: No BINDING STYLE: Perfect bound PROPERTIES: Weatherproof glue FINISH: Rounded corners ALL-WEATHER PAPER COLOR: Gray SHEET SIZE: 3.125" x 5" PAGES: 112 pages / 56 sheets WEIGHT: 20# Rite in the Rain PERFORATED: No