Rayon Rattail (TM) Size 0 Petite for chinese knotting, kumihimo, micro macrame and other jewelry and craft cord projects. It is approximately 1.25mm in diameter and comes in a one piece 10 yd coil in it's own package with label. This cord is so versatile - great for just beading, but makes beautiful chinese knotting. It has a nice light hand for kumihimo and will make a nice soft micro macrame.