Roll Top Explorer Backpack Rucksack:
1. Roll-Top , wide roll top opening, more expanding room to putting things.
2. Front Big Pocket for some little things like charger, earphone，tissue, etc.
3. 2 Side pockets for umberalla or water bottle.
4. Unique lock shape closure
5. Structure: Outside with 1 front poket, 2 side pocket, internal 2 flat pocket, 1 zipper pocket, laptop compartment.
All the details can be customized as customer’s requirement.