Supply Holder For Creedmoor Data Book Here is another great product designed by one of our customers. This Data Book/Supply Holder is made of 1000 Denier Cordura Nylon with a self-healing YKK zipper. It has strategically placed pockets to hold your data book, wind calculator, pens and any other supplies you like to have on the line with you. This is designed for the Creedmoor Data Book. Other data books may not fit. Color: OD Specs: 11" x 6.5" outside dimensions 10.5"x6" inside dimensions Shown with N075 data book (not included).