PERFECT SIZE: The piercing pillow measures 9" the hole in the middle is a 3.5" circle. The hole in the middle of the pillow fits your ear perfectly, giving your painful ear a place to rest without the pain of pressure and rubbing. And this height is also suitable, you can use it alone or put it on other pillows, so you can find your comfort zone SOFT AND COMFORTABLE: Our perforated pillows are made of 100% cotton breathable fabric and cotton and polyester mixed filling, our cotton filling is better than regular cotton, reusable, you can machine wash and dry normally ADJUSTABLE: The perforated pillow has an invisible zipper. Take some padding out of the pillow when it feels too hard, or add some padding when it feels too soft