Green Laptop Bag I Need A Messenger/laptop Bag?

I need a messenger/laptop bag? - green laptop bag

I really need a bag for a laptop for school. I think that one is $ 100 and something is not huge. My laptop is only 12 "and want something that is not here crying, stealing a laptop, not big and expensive, but still room and pockets for one or two things to the class and others.
I have a messenger bag that I ordered from Belkin in the mail (for laptops up to 15 ". I liked the price about 50) and colors (gray and lime green), but was too big, especially in the vicinity of my small 5 '2 "frame.
Any help and suggestions will be appreciated?