WTD U.S. Military Official Licensed Hiking School Backpack (Multi-colors) An Authentic Officially Licensed Military Backpack for Carrying Vital Gear and Emergency Equipments Sturdy Fabric 17" x 12" x 5" Side Mesh Pocket for a Small Bottle or Any Equipment You Might Need to Access Easily Zip Main Closure with Official U.S. Army, Air Force, Navy Symbol on Front Front Pocket with Zip Closure for Safe Keeping of Frequently Used Tools or ID