These threads are made of polyester and have a puffed texture with glints of metallic. They are sold in ten meter, four stranded cards and can be purchased by color or in two discovery sets. Très Chic Stitchery recommends using two strands for 18 mesh needlepoint projects and anywhere from 1 to 4 strands for embroidery. Each discover set has 12 colors. There are 24 colors in the whole collection. Contact Très Chic Stitchery.