I used Bosal 312 featherweight interfacing from this site:
http://www.goosetracks.com/Interfacingvaca.html
It was fantastic, did not bubble and adhered well. This vendor gives you a chart for figuring how much you need & the cost is $2/yd.
Last edited by EmiliasNana; 09-12-2016 at 06:32 PM.