Lustrous 100% cotton thread with a pearlized sheen. Lovely to work with. Great for cross stitch on heavier fabrics and for needlepoint, canvaswork, hand appliqué, and surface embroidery. #5 is the second-heaviest of DMC's Coton Perlé (pearl cotton or perle cotton).Double mercerized, non-divisible embroidery thread for heavier applications. DMC Coton Perlé comes in 4 sizes: 3, 5, 8, and 12 – 3 is heaviest, 12 is the thinnest/lightest. Not all colours available in all sizes.