some of those are webbing with ribbon, some are roc-lon multi purpose cloth covered with fabric. I use bonded nylon thread from superior thread for durability. here is a tute:
http://www.countrybrookdesign.com/ho...e-a-dog-collar
some of the webbing is from there as well as all the hardware.
here is another source. there should be a tute on that site also.
http://cdwplus.com/index.html