Hollow Conjugate Siliconized Polyester Fiber (PSF) Purpose

What is Polyester Staple Fiber PSF?
Eco-friendly 7D 64MM Hollow Conjugate Siliconized Polyester Fiber (PSF), which is made directly from PTA and MEG or PET Chips or from PET/ polyester waste and post consumed PET bottles. It’s used for spinning yarns and making geotextiles, as well as fill pillow, stuff toys, cushions, and etc.