Our 7d*64mm hollow silicon(no silicon)polyester staple fiber are exported to North America,South America,Mid East, ... Grade: top grade AAA grade ,AA grade5) Merits: high intension, stable stretch elongation, highly elastic, puff, high ratio of hollowness , ... Quantity: 9 Ton 20GP13)Supply Ability: 1500 Ton per Month Polyester staple fiber 7D*64 three-dimension hollow conjugated silicon (Manufacture)