Product: Seibertron Falcon Water Repellent Hiking Camping Backpack Compact Pack Summit Bag (Black 37L)
Brand: Seibertron
Color: Black 37l(size:11"*11"*19")

Tactical assault backpack Capacity: 37L. External dimensions:19"(H) x 11"(W) x 11"(D),waist belt MAX:55 Inch,chest belt MAX:60 Inch , it's a medium backpack; Military backpack is made of high density fabric-durable and water-resistant. 
This model backpack molle system plus Seibertron luggage strap could fit most models of luggage perfectly. For more details of using, kindly refer to sixth and seventh photo on the side. (Seibertron luggage strap need to be purchased separately). 
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 2L Seibertron hydration bladder (backpack didn't include hydration bladder) as hydration back pack or outdoor camping hiking backpack school backpack. 
Tactical assault backpack can be used as 1-3 day assault back pack backpack, combat backpack, range bag, hunting backpack, survival backpack, military army backpack rucksack or trekking backpack.
900D waterproof fabric, but the zipper is not waterproof
37L,External dimensions:19"(H) x 11"(W) x 11"(D),waist belt MAX:55 Inch,chest belt MAX:60 Inch
37L models Military backpack has hydration compatible that works great for a 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 assault pack, bug out bag backpack, range bag, hunting backpack, survival backpack, army backpack, trekking backpack or day pack for daily use

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