Tuff-cord Beading Cord, Black, Size 3, 49 Yards | BDC-523.03 Ideal for stringing pearls and beads Black thread made from 3 strands of long synthetic fiber Made in the USA 1 Spool; 49 yards; .0162 inch in diameter Won't stretch or stain, can resist fraying and shredding and may be used without a needle