Nishikawa [Air 3D] Pillow 3D special three-dimensional structure that focuses on sleep form. Improves breathability and maintains a comfortable sleeping environment. Height adjustable conditioning pillow, high pillow, blue, High, Otani pillow The [Air 3D] pillow is a three-dimensional special three-dimensional structure pillow that allows you to maintain a sleep form that suits each individual. It supports the head and cervical spine in a natural posture, achieving excellent pressure distribution, breathability, and cushioning, and supports a good night's sleep. Size: 61 x 34 x 13cm Height type: High type Breathability: 26 through holes to improve breathability I received this as a prize, but the height didn't suit me, so I'm selling it after using it a few times. I used it with a dedicated pillowcase and a personal pillowcase triple-layered on top of the blue cover in the photo. The inner sponge is removable and the height is adjustable. We are sorry, but we do not accept discounts, cancellations, or returns after purchase, so please understand before purchasing. #Nishikawa #3d pillow #Shohei Otani #Otani pillow