Product: Backpack for Men Large Military Backpack Tactical Waterproof Backpack for Work,School,Camping,Hunting,Hiking(GRAY)
Brand: ARMY PANS
Color: Gray
The Overall Function Description: This is a universal bag that can be expanded. It is suitable for most people, men, women, old and young, and suitable for most occasions, such as travel, outdoor activities, sports, work and life. Description Of Each Part(what you can hold): Front Compartment (11 "X7") :mobile phone, walkie talkie, pen, battery, charger, key, notebook, tablet, wallet, ID and so on 
Middle Compartment (15 "X10"): IPAD, tablet, notebook computer, etc. Main Compartment (20 "X13") :clothing , tent, big laptop computer 
The main Compartment with tight rope: whistles, scissors, clips, small medical bags and other small objects Straps (6 "X3"): walkie talkie 
Back Compartment (19 "x14") :water bag, clothing, blankets etc. Side pouch :kettle, umbrella Package Other Function Description: *Main compartment expands from 39 liters (2380 cu in) to 64 liters (3905 cu in). 
*Heavy oversized zippers and tabs *Holds up to 3.0 liter hydration bladder 
*Side parachute buckles allow for tightening to provide a compact, easy to transport pack *Revers-able zippers to keep out dust and dirt (on B model only) Packaging DescriptionWeight：3.6 lbs 
Carton Dimension: 21 x 16 x 14 Inches /10 pcs in each box One Dimension(with USPS box):13x11x3 Inches /1 pcs
It is a very popular multipurpose backpack, suitable for different people, suitable for various occasions, can be used to travel, trekking, hunting, hiking and other outdoor activities, for both men and women, It is a general daypack. But it have some Molle system, you can add different small pouch or Velcro on it, make the backpack different with other backpacks.one american flag patch for gift(can be removed).
This 3-day travel backpack has four main loading space, the front compartment can hold the cell phone wallet, the key and so on, the middle compartment can put the flat plate and the book, the main compartment can put some clothes and so on it works great to hold all of those just Incase items, like fuses and food, flashlight, anything Incase of an emergency. Plenty of room for a lot of stuff and plenty of separate compartments you have organized.
Water bottle mesh pocket in the side(bottle not included).It is convenient for you to drink water in outdoor activities, MOLLE system in the front, you can add pouch, mountaineering hook can be used for hanging small things, the side of the buckle can make this large backpack more compact, more comfortable to carry, you can put some name card or flag in front of the Velcro, make this outdoor backpack more personalized
There are two walkie-talkie pouch on the back strap of the bag , It is convenient to use walkie - talkie when you walk, adjustable chest belt can disperse the pressure of this military backpack, carrying more comfortable, and adjustable belt, let the whole tactical backpack fit our body, additional straps around the chest and waist to distribute the weight better.
This is an expandable backpack, which can be expanded by zipper on the side. The thickness of the side can be switched between 8 'and 13', and the maximum packet capacity can reach 64L. Can hold more things and the side buckles make it easy to secure it and reduce the size if it's full, and this backpack is water resistance, very suitable for outdoor activities.

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