The quality is 10

Its two major assets: its weight and its solidity.
Empty, it weighs almost nothing and open it is super resistant.
Width: 17 cm.
Height: 42 cm approximately.
Its straps are adjustable.
No pockets on the inside, a large zip on the front.
It is a very sturdy bag with a rather large capacity since it can contain binders, notebooks, pencil, books etc.
It is machine washable up to 40 °.
Eastpak is a brand that has proven itself, the quality is there.