Whether for school or work, you can always find a good use for a backpack. The material of choice for this bag is polyester and it has a practical compartment for a laptop or a tablet.
From Amazon
Mystery Ranch 2 Day Assault Backpack - Tactical Packs Molle Daypack, Black
The product is available from £157.65 at international stores.
This product is also available at 4 unverified merchants.