I decided that I would rather use my own fabric so embroidered a piece of linen for one side and used an offcut of canvas I had for the other side. I merrily started using the (very brief) instructions in the magazine and all seemed fine until I tried to push the folded top edges into the clasp - 20minutes later ( and more than a bit cross !) I went on a google search. I discovered that others too had found the instructions pretty inadequate too , Kerry at verykerryberry had recommended U-handbag. This is a great site for bag making with - I lined mine and used her method to fix the clasp - way way better instructions.
I recommend using U-handbag instructions if you want to make this bag.
I also made this little bag with a zip