Specifications: KING HAND STITCH Sewing Thread(wax silk) 100% Silk This is KING HAND STITCH Sewing Thread(Wax silk) only for hand stitches which gave moderatte hardness by special processing further taking advantage of smoothness peculiar to silk. *Attention. There is a color difference with the as delicate thing as the color of a shade card according to a dyeing lot difference.Please make a color matching to the cloth before sewing. The color of the thread after sewing becomes pale by friction with cloth. It may be decolored according to washing conditions.