Challenge Triplicate Book 210x130 Ft Ncr Pack Of 5Featuring carbonless paper for consistent copy quality throughout the book, with no need for messy carbon Strong twin wire binding allows pages to fold back or lay flat for ease of use Micro perforated top copy for easy removal with a clean edge Colour coded pages in triplicate for easy identification of original records and copies Sequentially numbered in sets 1 50 for accurate record keeping, easy referencing and accounting Size: 216x130mm