Do I need special needles to sew UltraSuede or UltraLeather?
No, generally UltraSuede is easily sewn using a universal sewing machine needle size 80/12. If you experience stitch skipping then try a microtex needle when sewing UltraSuede. For skipped stitches on UltraLeather we suggest trying a ball point needle size 75/11. Since Ultra Products do not ravel there is no advantage in sewing with a serger.