MUJI Pillow Height and Firmness Adjustment Sheet 36 x 52cm This product is currently discontinued. Thickness: Approximately 1 cm. Use it on top of your pillow to adjust the height, or roll it up and secure it with a rubber band to place under your neck – the possibilities are endless. Used a few times and then stored at home. There is some lint, so please refrain from purchasing if you are sensitive to this. Home cleaned in the washing machine. The tag was cut off because it was in the way. Shipping will be folded and made compact.