LARGE CAPACITY - Military tactical backpack size approx.:12"*20"*13" / 30*50*33CM (W*H*D) Capacity:40L, This tactical military assault backpack is made of quality and water-resistant High Density fabric, With Large Capacity allow you to carry all your tactical gears, it can be used as 3 day assault pack, bug out bag backpack, emergency backpack, combat backpack, range bag, molle emt backpack, EDC outdoor backpack, hunting backpack, travel backpack, survival backpack or trekking backpackMULTI-FUNCTIONAL - This tactical assault pack have 2 main compartments, 2 small compartments in front, and a back compartment for a hydration bladder. Each of the compartments has variety pockets to help with organization. The large compartment area has an elastic strap to hold laptops or anything you don't want to move around. Each pocket has two zipper pulls, and one of the compartments that can fully open all the way down to the bottom like suitcase.ARMY MOLLE SYSTEM - The front and both sides come with MOLLE system, Molle webbing throughout for attaching additional tactical pouches or gear as 3 day assault pack backpack combat molle backpack. The Y strap and buckle on the front is great to roll up a sweatshirt or light jacket. And the straps at the bottom can be used to hold a tent or sleeping pad.COMFORTABLE & TOUGH - The shoulder straps are padded and adjustable and the waist belt expands enough. The thick mesh padding back area and shoulder straps will not pinch you under heavy duty. Thick padded back panel pocket works great with 3L hydration bladder(hydration bladder do not include)PACKAGE INCLUDED - 1 Tactical backpack, US Flag patch, 2pcs D-Ring, 1pc MOLLE Webbing Dominators. Should you have any additional problem, please let us know without hesitation at any time.