Organize and permanently protect your essential business data, logs, and accounts with the National 56-521 Emerald Series Record Book. Designed for lasting durability, this professional account book features a rugged green hard canvas cover with reinforced corners to withstand daily wear in demanding office, accounting, and warehouse environments. Inside, 200 numbered pages of acid-free archival white paper ensure clear, high-contrast writing that won't yellow or degrade over time. The record-ruled pages provide clean line spacing for neat ledger keeping, while the perfect-bound construction ensures pages stay securely held together over years of active reference. Account book features record ruling with a red margin line, green hard cover and white acid-free, archival-safe paper. Pages are numbered for easy reference. 34 lines per page with 1/4" line width. Red Margin line 1" from the left side of each page. Perfect binding makes book wear and tear resistant.