“KNS” Brand Art Silk Dyed & Bleached Embroidery Thread (Made of 100% Viscose Artificial Yarn) Available in deniers 150/2 KNS Embroidery Thread 100% Rayon The best quality of raw materials used under strict quality control measures ensures that every KNS embroidery yarn is smooth, with a super silkyshine, resulting in exceptional operating convenience for even the most intricate patterns. KNS embroidery yarn is dyed in special colors using a special process developed in-house, making the threads withstand sunlight, washing in boiling water etc., to name but a few.  10 Assorted Colors.