Raw White Polyester Stretch Yarn covering Lycra,Ne16/1S RW polyester + 40D Lycra 3.2 times drafted, Ne16S 96.24% Polyester + 3.76% 40D Lycra Technics:siro core spun Weight CV%:2.0% Weight tolerance:±0.6% Strength:29.5cn/tex Elongation:14.3%