<b>Material£º</b>Three-dimensional 7D Polyester hollow staple fibre<br> <b>Size£º</b>45x45cm/18x18inch. A set of four.<br><br> Fluffy, comfortable and soft pillows allow you to fully support your neck and back when you are lying on the bed or sitting.<br><br> If you want a full and full effect, please order a larger pillow according. (For example, if your pillowcase is 18x18 inches, then you can try to choose a 20x20 inch pillow core.)