DescriptionUPGRADED VERSION-II: Tactical backpack has bottle holder on both side of backpack. MOLLE system is a little different as most tactical bacpkacks and is not to spec. Spacing between of molle is less than 1/2"Tactical assualt backpack size approx.:11"*18"*12" / 28*45.5*30CM (W*H*D)Capacity: 34L its not big backpack; Military backpack is made of 1000D fabric lightweight durable and water-resistant.Military backpack with double-stitched Heavy duty zippers and utility-style cord pulls Side and front load compression system Comfortable padding back area Ventilated mesh padding shoulder strap.Military tactical backpack has hydration compatible that works great for a 2.5L hydration bladder (backpack didnt include hydration bladder) as hydration backpack or outdoor camping hiking backpack.This tactical assault backpack can be used as small 3 day assault pack bug bag backpack combat backpack range bag hunting backpack survival backpack rucksack military army backpack or trekking backpack.