Our Polycotton Hollowfiber Filled Sleeping Pillows feature Spiral Fibers that allow the pillow to bounce back to its original shape, thus keeping it plump for longer. Our Polycotton hollowfiber pillows are coated with a 50% Polyester, 50% Cotton and filled with 100% Pure Polyester that is extremely soft and comfortable. The polyester is uniquely woven to feel softer and more luxurious against the skin, more like a beautiful polycotton blend, rather than it being rough, which is what’s traditionally associated with polyester. Our Polycotton Hollowfiber Filled Sleeping pillows are easy to maintain and wash, thus ensuring high durability.