So I bought it and pondered what I would make and then a'ha! Make It and Love It posted this tutorial: Grocery Bag Holder
So I made it. Well, I attemptd. I'm not very good at working with elastic. I messed up what should have been the bottom and now it's the top, which is okay except the pattern is upsidedown. Oops.
Anyway, I keep all my grocery bags because I use them to clean the litter everyday. So, here's the results....