CoachBuilt Prams

I have my camelia lining, waiting to be used, but now I'm unsure what material to use to stuff/pad/quilt my upholstery....?  What do you all use please, and where can I get it? 

My baby is due in 6 weeks so I need to get a move on now, time is ticking!

Many thanks for all ideas / suggestions.

I  have   just  used    some  14 oz  polyseter  wadding on my Millson  twin  Joy,  it  is  available  on Ebay  too.