Sorry for the long wait, but without further ado: here it is. I hope you can see the images clear enough. If you have any questions, let me know and I will answer them.
Here is the pattern (I have provided the measurements):
Velcro I find to be the best closure, as buttons are a pain to close and open. I used stick on velcro so, I didn't sew it on. If you use the sew on velcro, I would recommend sewing it after step 8.