Dimension of this tactical backpack: 17.7 x 12.6 x 7.87 inch / L x W x H. Included 2 main compartments with multifunctional pockets for different stuff: sleeping bag, notebook, water, cell phone, key, flashlight and other sundries. 1 side pocket for water bottle or umbrella with external USB charging port (1 cable included) makes it more convenient to charge phones and other devices without openning the bag.

The military backpack has many practical pockets. 1 hidden zippered anti-theft pocket on the back for your precious stuff. 1 hook & loop pocket (17.32 x 10.43 inch) is for laptop (up to 15.6 inch), 1 for hydration bladder and 1 dry-wet separation for wet towel or clothes; The smaller: 1 mesh pocket for frequently used items.

This workout backpack is made of polyester, metal zippers and reinforcement edge & bottom with side load compression system, can be used in wild environment. With removable USA flag patch in front. Webbing throughout whole bag can attach additional pouch or outdoor gear.

This military backpack is water bag compatible and works as a water backpack, hydration backpack or outdoor camping hiking backpack. Breathable mesh back panel and shoulder strap (adjusted from 18.9-35.5 inch) is designed to ventilate, keep your back dry.

This utility backpack can be used as large tactical military backpack for 3 day assault pack, combat backpack, camo backpack, survival backpack, trekking backpack, military army rucksack or everyday carring bag for outdoor, sports, hiking, hunting, fishing, camping, training. This tactical backpack is suitable for men women and outdoor sports enthusiast.