Not my cup of tea but looks like a cracking saving if your into this kind of thing.
More here http://www.play.com/PC/PCs/3-/341362/2-/Promo.html
Product Description: Breeze Laptop Bag
Carrying Strap: Removable shoulder strap with padding
Compatibility: 15.4" Laptops
Bring colour and style to your every-day out fit with this lap top bag suitable for laptops of up to 15.4".
Pockets for files and folders
Padded laptop compartment
Removable shoulder strap with padding
Trolley function with zipper closure at the back side