The information comes from Citizens & Business file at the National Archives via www.footnote.com.
The first supplier was Sam. M Price & Co, Richmond with 78 yds Blue Silk on 16 Oct 1861 and 35 yds Yellow silk on 24 Oct 1861, also on this docket was 25 pieces of ribbon.
The second supplier was Thos R Price & Co, Richmond with 31 Yds Yellow Silk and 18 3/4 yds of Pink Silk on 16 Oct 1861, 2 yds Red Silk and 9 yds Yellow Silk on 22 Oct 1861. 45 yds of White Silk, 7 yds Pink Silk and 16 yds of Yellow Silk on the 26 Oct 1861.
All the dockets were signed C McRae Selph, Quartermaster, Richmond.
On re-reading the docket for Green Silk I realise that I have read it incorrectly, it is in fact Yellow Silk; very badly written.
Unfortunately there is no indication of width, but assuming they are all the same width the totals of 78 yds of Blue, 91 yds of Yellow, 45 yds of White and 28 yds of Red/Pink seem a bit out of proportion for the manufacture of a regulation Southern Cross or a First National.