I purchased this in May of this year for around 26,000 yen, including the cover, to fit my neck. Dimensions: 63cm wide x 43cm long Pillow: 19,800 yen, 2 covers: about 6,000 yen Medium height. The inside is filled with soft, granular cotton for a gentle sleeping experience. It's designed to be comfortable for sleeping on either side, accommodating your head when you sleep on your side. I used it for a month, but I purchased another pillow at a chiropractic clinic that suits me better, so I no longer need this one and am selling it. The cover is used in two layers. The inner cover is gray (waterproof). The outer cover is light blue, with mesh on one side and a cool, smooth material on the other, allowing you to change it depending on your mood. The outer blue cover seems to be made a bit larger. There's a zipper in the back, allowing you to remove the granular cotton and adjust the height to your liking (*^^*) It's still in beautiful condition. It's a custom-made pillow, but it's a medium height, so it should be easy to adjust to. Adjust the higher part to your neck. If you're unsure which way is which, check the tag on the pillow. (The tag will be on your left when you lie down) I also have some spare granular cotton, which I will include. I recommend this to anyone looking for a comfortable pillow(^^)