Don't flag your position with a standard white paper notebook. Instead, protect yourself and your notes by using the "Rite in the Rain" Tactical notebooks with 100 universal pattern pages (50 sheets) in Green Tint with 1/4" horizontal lines and 1/4" faint vertical lines. You can use these sheets for notes and scaled drawings. Write anywhere... underwater or in pouring rain. Spiral bound and sized to fit in your pocket. Available in Olive Drab or Tan. Available in 4" x 6" 2 pack .