The outer cover of the pillow is 100% natural cotton. The pillow contains a soft microfiber fiber filling, which is a cool material that gives you maximum comfort and luxury. In addition, it adapts to the size of the head and spine, providing ideal support for the body during sleep. The pillow is designed to be hypoallergenic, making it an ideal choice for people with dust allergies or skin allergies. As for the sizes, the pillow comes in a size of 50*75 cm, making it suitable for all beds and different bed sizes. Its weight is 1300 grams, ensuring the ideal weight for comfort. The pillow features a very soft density, providing you with superior softness and complete relaxation while sleeping.