This is a relatively straightforward project--I cut the pockets from my jeans, sewed them back-to-back, and added an interior. There are three pockets--the two existing ones and one in between. I made a flap and sewed on buttons, but only because I was too lazy to add a zipper. If you have time, using the buttons or zipper from your pants would probably be more attractive than what I've got going on here. At any rate, it works, and mostly everything stays inside. Made it in half an hour instead of doing homework :D