About this item: • Tactical assualt backpac Military backpack is made of high density fabric--durable and water-resistant. • The assault pack 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 backpack has hydration compatible that works great for a 2.5L hydration bladder (backpack didn't include hydration bladder) as hydration backpack or outdoor camping hiking backpack. • This tactical assault pack backpack can be used as 3 day assault pack backpack, combat backpack, range bag, hunting backpack, survival backpack, rucksack military army backpack or comping Hiking backpack.