Iron on woven medium weight Interfacing is great to use for a extra structure. Available in Black and White.
This is slightly heavier than SF101 and won't wrinkle on your makes.
100cm wide and available in 1 metre cuts. If more than 1 metre is ordered it will be in a continuous lot.
10mt (saving 20% off per metre) is to be sent separately and NOT to be combined with other items due to the bulk of posting in a box.