I've found one called Molleton
here, but it's not going to be much use to you unless you can find a US stockist as the shipping would be quite steep. Remember the prices are in UK £, so you'll have to convert to $.
However I have used this company several times and you could email them for a supplier, or I would be happy to phone them for you for more details.
Good luck!
Forgot to say - we call batting 'wadding'.