The red #321 DMC embroidery floss is a 6 strand cotton thread that comes in a 8 meter skein.
Wild Olive: my favorite things: embroidery floss
Thread – DMC Cordonnet White No. 20 – 20 gram Ball – Berlin Embroidery Designs
Discontinued DMC: Hard to Find Threads and Their Replacements
12 Skeins DMC Cotton Embroidery Floss Red 321 France 8.7y Each New
DMC Embroidery Floss,Variegated Embroidery Thread,36 Multicolor Cross Stitch Threads Bundle with Bobbin Winder,DMC Color Variations Hand Embroidery
DMC Pearl Cotton Size 5 Embroidery Thread Balls
Thread – DMC Cordonnet White No. 20 – 20 gram Ball – Berlin Embroidery Designs
DMC Perle Cotton, Red White Blue Perle Cotton Thread, Perle Cotton Thread
Thread – Red #321 DMC Embroidery Floss – 8 Meter Skein – Berlin Embroidery Designs
Thread – DMC Cordonnet White No. 20 – 20 gram Ball – Berlin Embroidery Designs