1) 30D spandex covered by 70 nylon 2) Available for making socks 3) We can supply in all colors We can produce spandex covered yarn , they are available for socks, knitting fabric, underwear ,sweaters.Main specification:20/30 20/40 20/70 30/70 40/70 70/70 30/70/24F Spandex Covered Nylon Yarn