House of Embroidery Sri Lanka
Perle is a high sheen 100% cotton twisted thread that cannot be split. It is available in three thicknesses: #5 (thickest), #8 (medium) & #12 (thinnest). The #5 skein carries 22m, the #8 skein carries 27m and the #12 skein carries 20m.
Stranded cotton is a six-strand thread also known as mouline. It is a hi-sheen 100% cotton thread that splits into 6 individual strands.