Heavy-duty perfect bound 128 pages / 64 sheets Field-Flex covers Includes rulers, conversion charts and map scales This heavy-duty, &';&';perfect binding&';&';, 4.625&';&'; x 7.25&';&'; book holds strong through bad weather and years of abuse. Field-Flex covers easily conform to pockets or packs, yet spring back into shape - no worse for the wear. Rulers, conversion charts, and map scales printed on the cover prove handy in the field. Includes 128 pages / 64 sheets.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }