Polyester Short Plush Material:50% cotton,50% polyester.Fabric selection and strictly controls the shrinkage and fastness of the fabric,smoothness,and durability. Size:18×18 inches(45x45cm),Inexpensive way to change decor. Benefits:Extremely breathable and hypoallergenic. It is cool to sleep on and can help prevent bed sweats.Hair to slide over the pillowcase very gently and freely,reducing facial wrinkles and preventing dry knotted hair. Hidden zipper design makes the pillowcase hold the pillow perfectly.Big opening and longer zipper allow you to easily fit the pillow into the pillowcase. It will provide her/him with quality,comfortable sleep.Gives you bedroom a nice flare.