Paper is Made of 50% Rag Content for Added Strength
These Metric Field Books have high visibility yellow covers. 50% rag content means you get stronger paper. 80 leaves printed with weatherproof blue and red inks.
Metric Cross-Section Book—Left and right page: 5 x 5 blue lines; cm lines are slightly heavier. 6-1⁄2"W x 8-1⁄2"L.