30L Military Tactical Army Backpack Rucksack Camping Hiking Trekking Outdoor Bag

Size : 18"x10"x10" (45x 26x 26cm)
Zipper: Two-way zipper in the main bag, other one-way
Material: Waterproof nylon
Suitable for : Outdoor tourism, mountaineering, cycling, hiking,
forest crossing, field battle, etc.