"This rucksack has a capacity of 65 L which makes it ideal for expeditions or travelling. It is lightweight and durable with a rain cover. It has reflective trims for safety in poor light, a front shockcord panel and zip pockets for extra storage.
The rucksack also comprises of hip belt, shoulder harness and padded mesh back with adjustable frame for extra comfort and a storage compartment for wet items. There are also accessory strap points."
Seems good for £17, usually £30-40+ for this size. some other good deals too. bring on the festivals!