The most popular Size 25 floss is made out of top grade of cotton, Extra-long staple cotton. It is soft and has the sheen of silk. Furthermore, stain at dyeing skills lead us to produce an excellent floss which doesnt discolor. There are 6 skeins per box. Color changes every 8 cm.Color: Variegated BlueMade of: 100% CottonSize: Each Skein, 8m longUse: Embroidery Floss