FLAME RETARDANT HOLLOW CONJUGATED PSF Denier:3D,7D,12D,15D cutting length:32mm,51mm,64mm specfication:siliconized,non-silicon FLAME RETARDANT HOLLOW CONJUGATED PSFDenier:3D,7D,12D,15Dcutting length:32mm ... ,51mm,64mmspecfication:siliconized,non-silicon 1.name of product:recycled polyester staple fiber hollow ...