A 15 minute project that solves 2 problems very nicely. The first problem was that since my phone is black and my bag is also black I can never find my phone in time. The second project was some old canvases taking up rather too much space. So I removed the canvas from the stretcher and 15 minutes later had a new phone case... The most difficult part of this was just turning the canvas inside out. The end of a brush helped enormously to poke the corners out.