The New Sniper's Data Book Pouch is a must have item! Designed to hold your data book (not included) at the open without falling back or blowing forward. Features a pull out zippered pocket to carry your calculator, wind meter, etc. Elastic band to keep pages from falling forward. Elastic side straps to keep pouch open, a hook-n-loop tab on back to attach to shooter's mat and to support upper section. Universal Straps and hook-n-loop patch to attach to shooting mat, drag bag, weapons case or backpack. Measures 10.5L x 7.5T x 2.5D.