I so want this! Wet wipes are so handy to have in the car - to clean your hands after pumping gas or eating, or to use to clean up spills! I love that it matches the car trash litter bag I pinned!: http://www.etsy.com/listing/105657593/car-trash-litter-bag
I first made a trashbag, exactly like the directions. Then, I decided to make bags for my kids to use for coloring books, crayons, books, etc. I followed the same tutorial, but made the squares 18x18. Worked perfectly and these have been SO HELPFUL in the car.