This hypoallergenic pillow features a silky soft 300 thread count, 100 % cotton cambric cover and a complimentary blend of plump, billowy 650 fill power Hungarian white goose down and feathers, resulting in a firmer more supportive pillow. Our Bernina 50/50 WGD/ WGF pillow delivers ultimate support , positions and cradles your head, neck and shoulders in a perfect harmonious horizontal alignment.