Field book covers are extra stiff, and a high visibility yellow color, completely protected by a waterproof barrier with blind embossing. Pages are white ledger paper specially formulated for maximum archival service, ease of erasure, and protected by a water-resistant surface sizing. 4 5/8" x 71/4" page size, 80 sheets (160 pages) plus 15 pages of curve tables and practical information. Left page has blue horizontal lines, red vertical lines, six columns. Right page has 8 x 4 blue lines, red vertical center line, thirty-four columns.