Sajou. Perle pure silk thread. ONE SPOOL. You can substitute another color of Sajou silk thread if purchasing 2 or 3 spools. Please be sure to request it in the comment section. N °30 Length of thread on spool: 20m – 100% silk. Diameter of the thread is 0.526mm. High quality hand embroidery threads for lunéville, tambour beading and embroidery, and hand sewing. Made in France