With a reputation as the most beautiful thread in the world, this luminous cotton thread is highly mercerized and non-divisible. It's soft and silky and ideal for embroidery, needlepoint, hardanger, blackwork, redwork, pulled thread, smocking, applique, crochet, and other types of creative stitchery. DMC Perle Cotton Balls are 100% colorfast. They can be washed frequently without fading. The thread can be washed at high temperatures 95C/203F. Give particular attention to the fabric on which the thread was embroidered. Made in France.