Well, I live in Japan so that's where I get my fabric. There's an amazing craft store here called ABC Craft http://www.abc-craft.co.jp/shop/shop.php. It's 5 floors of just craft stuff! (They love the craft in this country.) I love it. I spend hours just looking at stuff and realizing that there's not enough time in the world to do every craft I want to... I also spend waaay too much money there. But for this cloth I didn't spend too much. It was in the scraps bin! THe owl fabric I decided was worth spending a wee bit more on...but not too much.
As for a pocket in the back of the bag...that is just extra fabric I had to sew to the flap cause I miscalculated. Ooops. I hate math. I hate measuring.