The data Book Cover protects your data book from the elements. Three pockets provide storage for items like index cards, cold bore targets, MIL Dot Master, FDAC Charts etc. A pen pocket for writing utensils and para cord straps to assists in winds to keep pages where they belong. Standard on every Data Book cover is a 6.5″ x 2″ Velcro strip for attaching name tapes or unit patches. Designed specifically to fit the IMPACT DATA BOOK™.