Polyester Staple Fiber (Synthetic Fiber) is used for a variety of materials, including mattresses, sofas, pillows, dolls, non woven fabrics, automotive interiors, geo textiles, cushions, fiberfill, padding and many more. It is classified as either virgin fiber or regenerated (recycled) fiber, and is available in a range of colors. (white, black, etc.) Virgin Polyester Staple Fiber Virgin Fiber, Hollow Conjugated Non-Siliconized (HC) and Virgin Fiber, Hollow Conjugated Siliconized (HCS) 7D, 15D, 20D 32MM, 38MM, 51MM, 64MM is Hollow spiral crimp for mattresses, padding, cushions, pillows, toy stuffing. Virgin Fiber, Low Melting Fiber (LM) 2D, 4D, 6D, 15D 38MM, 51MM, 64MM, 76MM is bi component type (melting point 110â??) for non woven, mattress, padding, automobile interiors, hygienic materials. Virgin Fiber, Solid Regular 6D, 7D,10D, 15D 38MM, 51MM, 64MM, 76MM is for non-woven (spunlace, needle punch, padding, mattress) Virgin Fiber, Semi-Dull Raw White 1.2D 1.4D 32MM, 38MM, 51MM is for Spinning Virgin Fiber, Micro denier Siliconized 0.7D, 0.9D 38MM, 51MM, 64MM is feather like lightness for blankets, pillows, cushions, sleeping bags, padding. Virgin Fiber, Short Cut Fiber 0.8D, 1.5D 3MM, 6MM, 12MM, 18MM is for wallpapers, filters. Regenerated Polyester Staple Fiber Regenerated Fiber (Recycled Fiber) is from recycled PET chips and bottle flakes. Regenerated Fiber, Solid Regular Super A Grade 4D, 6D, 7D, 10D, 15D, 20D 32MM, 51MM, 64MM is for cushion, mattress, sofa, non woven. Regenerated Fiber, Solid Regular A Grade Non-Siliconized Regenerated Fiber, Solid Regular A Grade Siliconized 6D, 7D, 10D, 15D, 20D 32MM, 51MM, 64MM is for cushion, mattress, sofa, non woven. Regenerated Fiber, Solid Regular Black Color , 6D, 7D, 10D, 15D, 20D 32MM, 51MM, 64MM is for geo textile, non woven , automotive interior . Regenerated Fiber, Mixed Color (Mixed any colors) 6D, 7D, 10D, 15D, 20D 32MM, 51MM, 64MM is for geo textile, non woven(automobile) Regenerated Fiber, Solid, Dope Dyed Colored Fiber 6D, 7D, 10D, 15D, 20D 51MM, 64MM, 76MM is for non woven fabrics, car interior finishing. Regenerated Fiber, Flame Retardant Fiber , 4D, 6D, 15D 51MM, 64MM (LOI value more than 40%) is for mattress, filter, bedding, non woven fabric.