These Promolinge pillows will adapt to your body and your position for effective support whether you sleep on your stomach, back, or side, the cushions will accompany you pleasantly throughout your nights. High quality, these pillows are filled with 100% polyester for a night like on a cloud. In addition, its microfiber envelope will provide softness and will not damage your hair. These soft pillows will greatly improve your sleep. These white rectangular cushions are put in the machine at 40°C without deforming and keeping their softness and softness.