These Field Books feature high-quality white ledger paper with 50% cotton content, 24-lb. basis. The paper is specially formulated for ease of erasure and durability. Water-resistant Books come with 80 sheets (160 pages) measuring 4-5⁄8"W x 7-1⁄4"L with light blue and red vertical lines. Cover is protected by a weatherproof barrier and is colored in high-visibility bright orange. Each Field Book also includes 15 pages of curve tables and practical information.
Level Book—Five red vertical and 26 light blue horizontal lines on each page.