Hmm, I haven't seen those - what are they made from? If they are hemp or bamboo, whacko! I'll be getting myself some, lol.
As an aside, most of my pockets are stuffed with microfibre towels that I got from Kmart - you can get a pack of 6 for around $12... Were you going to use the flats inside the pockets? Cause the microfibre will be a slimmer fit and more absorbent.