RUBBER YARN IS MADE OF LATEX AND POLYESTER DTY YARN. NORMALLY USED ON SOCKS RIB. IT HAS HIGH ELASTIC AND COMFORTABLE FEELING WEARING ON FOOT. WE HAVE TWO KINDS OF PACKING. CARTON AND BAGS, DEPENDS ON WHAT YOU REQUEST. OUR CAPACITY IS 1000KG/ONE DAY. AND EXPORT TO AFRICA, INDIA, VIETNAM, THAILAND AND MYLASIA, SOUTH AFRICA ETC. WE ARE LOOKING FORWARD TO INQUIRY FROM US.