Comfortable 100% polyester pillow with storage bag. - Material: 100% polyester - Accessories: Storage bag Thank you for viewing. Listed at a special year-end price! I purchased this a few years ago and used it for about 2 months, but it didn't suit me, so I've been storing it in the closet. The cover has noticeable stains, so please purchase only if you don't mind and understand this. Please feel free to comment if you have any other questions. [From the HP below] nishikawa [Nishikawa] [Air 3D] Pillow 3D special three-dimensional structure that focuses on the sleeping form Improves breathability and maintains a comfortable sleeping environment. This is a conditioning pillow with adjustable height. [Air 3D] pillow is designed to maintain a sleeping form that suits each individual. 3D special three-dimensional structure pillow. Supports the head and cervical spine in a natural posture, providing excellent pressure distribution, breathability, and cushioning to support a good night's sleep. Size: 61 x 34 x 13cm Height type: Low type Breathability: 26 through holes to improve breathability * Returns are not accepted due to the nature of the product. Also, please purchase only if you understand that it has been stored at home. - Model name: Air 3D low-resilience pillow - Color: White/Green - Features: Double ventilation, neck support - Material: Low-resilience material - Accessories: Storage bag