≤14hRegenerated Polyester staple fiber 3D/4D/7D/15Dx 32/51/64mm Hollow Conjugated Silicone (HCS),Regenerated Polyester staple fiber 3D/4D/7D/15Dx 32/51/64mm Hollow Conjugated Non-Silicone (HCNS),Regenerated Polyester staple fiber 6D/7D/15D/20Dx 32/51/64/76mm Hollow Silicone (HS),Regenerated Polyester staple fiber 6D/7D/15D/20Dx 32/51/64/76mm Hollow Non-Silicone (HR),Regenerated Polyester staple fiber1.5D/ 6D/7D/15D/20Dx 32/38/51/64m Hollow Silicone (Solid Fiber