Whether for school or work, you can always find a good use for a backpack. This bag is made from nylon and you can put various small items in the inner pocket.
From Osprey Europe
Talon™ 55 - Stealth Black - L/XL
Trekkinn
Osprey Talon 55l Backpack Black L-XL
Hardloop
Osprey Talon 55 - Walking backpack - Men's Stealth Black L / XL