Your search for "sashiko" revealed the following:
Rose Red Olympus Sashiko Thread 22yd
$ 2.50100% Cotton - hand sewing thread for Sashiko, quilting, embroidery and needle point. Length 22 yard/skein
Hidamari Sashiko Melange Thread -- Variegated Orange/Red
$ 5.99SASHIKO, a traditional Japanese art of functional embroidery was developed to strengthen, mend, patch, quilt, insulate, and embellish everyday items...
Sashiko Thread-- 22 yards in Black
$ 1.80100% Cotton - hand sewing thread for Sashiko, quilting, embroidery and needle point. Length 22 yard/skein
Hidamari Sashiko Thread -- Yellow
$ 4.60SASHIKO, a traditional Japanese art of functional embroidery was developed to strengthen, mend, patch, quilt, insulate, and embellish everyday items...
Sashiko Thread-- 22 yards in Orchid Pink
$ 1.80100% Cotton - hand sewing thread for Sashiko, quilting, embroidery and needle point. Length 22 yard/skein
Sashiko Thread-- 22 yards in Hot Pink
$ 1.80100% Cotton - hand sewing thread for Sashiko, quilting, embroidery and needle point. Length 22 yard/skein.
Sashiko Thread-- 22 yards in Purple
$ 1.80100% Cotton - hand sewing thread for Sashiko, quilting, embroidery and needle point. Length 22 yard/skein.
Sashiko Thread-- 22 yards in Red
$ 2.10100% Cotton - hand sewing thread for Sashiko, quilting, embroidery and needle point. Length 22 yard/skein
Sashiko Hana-guruma Navy
$ 13.99Sashiko Sampler (Placemat) Hana-guruma (Navy) 12.5inx18in (double sheet) Cotton 100% Sashiko Pre-printed cloth (washed-out)
Sashiko Kaki no Hana Navy
$ 13.99Sashiko Sampler Traditional Design Kaki- no- Hana Navy Double Sheet 13.5inx13.5in