25L 30L Military Tactical Backpack Rucksack Outdoor Travel Hiking Camping Bag
12L 20L 25L 30L. (If you don't need it, you can release / remove these three buckles, it is a simple schoolbag). 30L Tactical. 30L Hiking Camping. 20L 30L Hiking. 30L 40L Military. 30L 40L 50L Military.