Whether for school or work, you can always find a good use for a backpack. This bag is made from nylon and it has a 65-litre volume.
From Osprey Europe
Aether™ Plus 70 - Black - S/M
The product is available from £240.99 at international stores.
Trekkinn
Osprey Aether Plus 70l Backpack Black,Red S-M
Tredz Limited
Osprey Aether Plus 70 Backpack - Black