100% Rayon Embroidery Thread,150D/2, 300D/2, 300dD/2x3...Made of selected high-tenacity 100% viscose rayon filament yarn, 150D/2, 300D/2, 300D/2*3. It is very well known for the evenness in dye lots, uniformity in denier, brightness and strength.Excellent lubricity that enables the thread to run smoothly and perfectly. Rich colors (Solid or Multi) choices and good color-fastness with  high-tenacity performance.Weight per spool:  25grams. 10spools per inner box.Please contact with us for more details, samples and color card are free.