You don't say what part of OZ your in, but some suppliers below.
http://www.birdsall-leather.com.au
http://www.lefflerleather.com.au
http://www.packerdirect.com.au
http://www.leatherco.com.au
http://www.maclace.com.au
https://www.theleathershed.com.au
http://www.dshorne.com.au
http://www.adelaideleather.com.au
there a few to get you started