Monstrum Tactical BP03 All-Purpose Messenger Bag Six versatile primary storage compartments including a 9x8x5 inch drawstring closing main storage compartment, 360 cubic inches or 6 liters in volume Multiple easy access outer compartments, including a dedicated mesh water bottle pouch Fully adjustable, ergonomically designed shoulder strap suitable for users of all sizes Crafted from heavy duty, water resistant nylon, resistant to tears and abrasion Velcro strips for attaching customized patches and PALS webbed lining for attaching MOLLE pouches and accessories