A pillow designed by a chiropractor for ultimate neck and shoulder comfort! NEW Chiropractic Pillow (Chiropractic Pillow 2) RAKUNA Product Number: 569 Regular Price: ¥7,590 (tax included) Brand: Nalture *This listing includes the pillow + height adjustment pad + black cover (unused). I used it for 3 days, but I was using a separate light sax-colored cover (regular price ¥2728 tax included). If you would like the light sax cover as well, I will include it for free. (The cover has been washed at home.) Please let me know when you purchase if you would like it. ↓ From the official website: * The chiropractic 3D support firmly supports the neck and back of the head, maintaining and aligning the natural S-curve of the neck. * Ear curve design makes it less likely for your ears to hurt when sleeping on your side. * By supporting while enveloping, it reduces the burden on the neck. * The addition of an extra cushion structure provides a comfortable feel for a good night's sleep. * Includes a 2cm adjustment pad for use according to your physique and preference. 【Materials】 Body: (Cover) 100% Polyester (Filling) Polyethylene, Urethane Foam Cover: 100% Polyester Adjustment Pad: (Cover) 100% Polyester (Filling) Urethane Foam 【Size】 Approximately 290 x 530 x 130mm (including adjustment pad) *Height in supine position (approx. mm) (With adjustment pad) Height of head support: 55, Height of neck support: 87 (Without adjustment pad) Height of head support: 35, Height of neck support: 67 【Country of Origin】 China 【Precautions】 ● Do not use if you have neck or cervical spine disorders. ● If you experience neck pain during use, discontinue use. ● Start with short periods of 5-10 minutes. (※ Fine-tune the head position to a position where you can relax) ● Be careful as the filling may come out of the cover. ● Do not expose to direct sunlight for extended periods. ● Do not place near fire or high temperatures. ● The deep grooves are air bubbles that occur during the production of the pillow due to the nature of the urethane. This is not a defect and is a natural part of the manufacturing process, so please understand.